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Finding the Fourth Proportional to 573,439.40, 860,159.10 and 538,447.40

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Solution

The fourth proportional to 573,439.40, 860,159.10 and 538,447.40 is: 807,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,439.40 : 860,159.10 = 538,447.40 : x
  2. Step 2: Convert to fraction form
    573,439.40/860,159.10 = 538,447.40/x
  3. Step 3: Cross multiply
    573,439.40x = 860,159.10 × 538,447.40
  4. Step 4: Simplify right side
    573,439.40x = 463,150,430,981.34
  5. Step 5: Solve for x
    x = 463,150,430,981.34/573,439.40
  6. Step 6: Final answer
    x = 807,671.10

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