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Finding the Fourth Proportional to 164,978.64, 247,438.80 and 46,647.36

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Solution

The fourth proportional to 164,978.64, 247,438.80 and 46,647.36 is: 69,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,978.64 : 247,438.80 = 46,647.36 : x
  2. Step 2: Convert to fraction form
    164,978.64/247,438.80 = 46,647.36/x
  3. Step 3: Cross multiply
    164,978.64x = 247,438.80 × 46,647.36
  4. Step 4: Simplify right side
    164,978.64x = 11,542,366,781.57
  5. Step 5: Solve for x
    x = 11,542,366,781.57/164,978.64
  6. Step 6: Final answer
    x = 69,962.80

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