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Finding the Fourth Proportional to 547,817.60, 821,726.40 and 173,878.40

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Solution

The fourth proportional to 547,817.60, 821,726.40 and 173,878.40 is: 260,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,817.60 : 821,726.40 = 173,878.40 : x
  2. Step 2: Convert to fraction form
    547,817.60/821,726.40 = 173,878.40/x
  3. Step 3: Cross multiply
    547,817.60x = 821,726.40 × 173,878.40
  4. Step 4: Simplify right side
    547,817.60x = 142,880,471,669.76
  5. Step 5: Solve for x
    x = 142,880,471,669.76/547,817.60
  6. Step 6: Final answer
    x = 260,817.60

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