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Finding the Fourth Proportional to 385,940.81, 578,747.18 and 158,079.33

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Solution

The fourth proportional to 385,940.81, 578,747.18 and 158,079.33 is: 237,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,940.81 : 578,747.18 = 158,079.33 : x
  2. Step 2: Convert to fraction form
    385,940.81/578,747.18 = 158,079.33/x
  3. Step 3: Cross multiply
    385,940.81x = 578,747.18 × 158,079.33
  4. Step 4: Simplify right side
    385,940.81x = 91,487,965,663.39
  5. Step 5: Solve for x
    x = 91,487,965,663.39/385,940.81
  6. Step 6: Final answer
    x = 237,051.81

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