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Finding the Fourth Proportional to 76,631.98, 105,736.28 and 44,794.72

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Solution

The fourth proportional to 76,631.98, 105,736.28 and 44,794.72 is: 61,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,631.98 : 105,736.28 = 44,794.72 : x
  2. Step 2: Convert to fraction form
    76,631.98/105,736.28 = 44,794.72/x
  3. Step 3: Cross multiply
    76,631.98x = 105,736.28 × 44,794.72
  4. Step 4: Simplify right side
    76,631.98x = 4,736,427,056.44
  5. Step 5: Solve for x
    x = 4,736,427,056.44/76,631.98
  6. Step 6: Final answer
    x = 61,807.45

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