Finding the Fourth Proportional to 74,658.26, 103,010.72 and 42,385.88

Step by Step Solution

1. Step 1: Write the proportion equation
   74,658.26 : 103,010.72 = 42,385.88 : x
2. Step 2: Convert to fraction form
   74,658.26/103,010.72 = 42,385.88/x
3. Step 3: Cross multiply
   74,658.26x = 103,010.72 × 42,385.88
4. Step 4: Simplify right side
   74,658.26x = 4,366,200,016.63
5. Step 5: Solve for x
   x = 4,366,200,016.63/74,658.26
6. Step 6: Final answer
   x = 58,482.48