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Finding the Fourth Proportional to 92,578.64, 127,771.24 and 56,762.32

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Solution

The fourth proportional to 92,578.64, 127,771.24 and 56,762.32 is: 78,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,578.64 : 127,771.24 = 56,762.32 : x
  2. Step 2: Convert to fraction form
    92,578.64/127,771.24 = 56,762.32/x
  3. Step 3: Cross multiply
    92,578.64x = 127,771.24 × 56,762.32
  4. Step 4: Simplify right side
    92,578.64x = 7,252,592,011.68
  5. Step 5: Solve for x
    x = 7,252,592,011.68/92,578.64
  6. Step 6: Final answer
    x = 78,339.80

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