Finding the Fourth Proportional to 71,792.43, 99,046.90 and 71,681.71

Step by Step Solution

1. Step 1: Write the proportion equation
   71,792.43 : 99,046.90 = 71,681.71 : x
2. Step 2: Convert to fraction form
   71,792.43/99,046.90 = 71,681.71/x
3. Step 3: Cross multiply
   71,792.43x = 99,046.90 × 71,681.71
4. Step 4: Simplify right side
   71,792.43x = 7,099,851,162.20
5. Step 5: Solve for x
   x = 7,099,851,162.20/71,792.43
6. Step 6: Final answer
   x = 98,894.15