Finding the Fourth Proportional to 74,216.85, 102,419.96 and 42,385.52

Step by Step Solution

1. Step 1: Write the proportion equation
   74,216.85 : 102,419.96 = 42,385.52 : x
2. Step 2: Convert to fraction form
   74,216.85/102,419.96 = 42,385.52/x
3. Step 3: Cross multiply
   74,216.85x = 102,419.96 × 42,385.52
4. Step 4: Simplify right side
   74,216.85x = 4,341,123,262.98
5. Step 5: Solve for x
   x = 4,341,123,262.98/74,216.85
6. Step 6: Final answer
   x = 58,492.42