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Finding the Fourth Proportional to 92,999.76, 128,340.48 and 50,558.32

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Solution

The fourth proportional to 92,999.76, 128,340.48 and 50,558.32 is: 69,770.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,999.76 : 128,340.48 = 50,558.32 : x
  2. Step 2: Convert to fraction form
    92,999.76/128,340.48 = 50,558.32/x
  3. Step 3: Cross multiply
    92,999.76x = 128,340.48 × 50,558.32
  4. Step 4: Simplify right side
    92,999.76x = 6,488,679,056.79
  5. Step 5: Solve for x
    x = 6,488,679,056.79/92,999.76
  6. Step 6: Final answer
    x = 69,770.92

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