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Finding the Fourth Proportional to 76,745.67, 105,909.18 and 44,486.50

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Solution

The fourth proportional to 76,745.67, 105,909.18 and 44,486.50 is: 61,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,745.67 : 105,909.18 = 44,486.50 : x
  2. Step 2: Convert to fraction form
    76,745.67/105,909.18 = 44,486.50/x
  3. Step 3: Cross multiply
    76,745.67x = 105,909.18 × 44,486.50
  4. Step 4: Simplify right side
    76,745.67x = 4,711,528,736.07
  5. Step 5: Solve for x
    x = 4,711,528,736.07/76,745.67
  6. Step 6: Final answer
    x = 61,391.46

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