Finding the Fourth Proportional to 71,500.75, 98,679.78 and 41,285.99

Step by Step Solution

1. Step 1: Write the proportion equation
   71,500.75 : 98,679.78 = 41,285.99 : x
2. Step 2: Convert to fraction form
   71,500.75/98,679.78 = 41,285.99/x
3. Step 3: Cross multiply
   71,500.75x = 98,679.78 × 41,285.99
4. Step 4: Simplify right side
   71,500.75x = 4,074,092,410.28
5. Step 5: Solve for x
   x = 4,074,092,410.28/71,500.75
6. Step 6: Final answer
   x = 56,979.72