Finding the Fourth Proportional to 71,945.61, 99,285.39 and 41,748.86

Step by Step Solution

1. Step 1: Write the proportion equation
   71,945.61 : 99,285.39 = 41,748.86 : x
2. Step 2: Convert to fraction form
   71,945.61/99,285.39 = 41,748.86/x
3. Step 3: Cross multiply
   71,945.61x = 99,285.39 × 41,748.86
4. Step 4: Simplify right side
   71,945.61x = 4,145,051,350.73
5. Step 5: Solve for x
   x = 4,145,051,350.73/71,945.61
6. Step 6: Final answer
   x = 57,613.68