Finding the Fourth Proportional to 71,638.72, 98,874.03 and 41,419.24

Step by Step Solution

1. Step 1: Write the proportion equation
   71,638.72 : 98,874.03 = 41,419.24 : x
2. Step 2: Convert to fraction form
   71,638.72/98,874.03 = 41,419.24/x
3. Step 3: Cross multiply
   71,638.72x = 98,874.03 × 41,419.24
4. Step 4: Simplify right side
   71,638.72x = 4,095,287,086.47
5. Step 5: Solve for x
   x = 4,095,287,086.47/71,638.72
6. Step 6: Final answer
   x = 57,165.83