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Finding the Fourth Proportional to 539,031, 808,543.24 and 139,670.76

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Solution

The fourth proportional to 539,031, 808,543.24 and 139,670.76 is: 209,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,031 : 808,543.24 = 139,670.76 : x
  2. Step 2: Convert to fraction form
    539,031/808,543.24 = 139,670.76/x
  3. Step 3: Cross multiply
    539,031x = 808,543.24 × 139,670.76
  4. Step 4: Simplify right side
    539,031x = 112,929,848,823.66
  5. Step 5: Solve for x
    x = 112,929,848,823.66/539,031
  6. Step 6: Final answer
    x = 209,505.30

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