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Finding the Fourth Proportional to 264,477.16, 396,663.90 and 77,438.44

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Solution

The fourth proportional to 264,477.16, 396,663.90 and 77,438.44 is: 116,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,477.16 : 396,663.90 = 77,438.44 : x
  2. Step 2: Convert to fraction form
    264,477.16/396,663.90 = 77,438.44/x
  3. Step 3: Cross multiply
    264,477.16x = 396,663.90 × 77,438.44
  4. Step 4: Simplify right side
    264,477.16x = 30,717,033,620.32
  5. Step 5: Solve for x
    x = 30,717,033,620.32/264,477.16
  6. Step 6: Final answer
    x = 116,142.48

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