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Finding the Fourth Proportional to 538,427.40, 807,495.30 and 159,347.40

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Solution

The fourth proportional to 538,427.40, 807,495.30 and 159,347.40 is: 238,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,427.40 : 807,495.30 = 159,347.40 : x
  2. Step 2: Convert to fraction form
    538,427.40/807,495.30 = 159,347.40/x
  3. Step 3: Cross multiply
    538,427.40x = 807,495.30 × 159,347.40
  4. Step 4: Simplify right side
    538,427.40x = 128,672,276,567.22
  5. Step 5: Solve for x
    x = 128,672,276,567.22/538,427.40
  6. Step 6: Final answer
    x = 238,977.95

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