Finding the Fourth Proportional to 105,425.08, 145,470.72 and 60,107

Step by Step Solution

1. Step 1: Write the proportion equation
   105,425.08 : 145,470.72 = 60,107 : x
2. Step 2: Convert to fraction form
   105,425.08/145,470.72 = 60,107/x
3. Step 3: Cross multiply
   105,425.08x = 145,470.72 × 60,107
4. Step 4: Simplify right side
   105,425.08x = 8,743,808,567.04
5. Step 5: Solve for x
   x = 8,743,808,567.04/105,425.08
6. Step 6: Final answer
   x = 82,938.60