Finding the Fourth Proportional to 82,792.10, 124,103.10 and 40,607.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,792.10 : 124,103.10 = 40,607.30 : x
2. Step 2: Convert to fraction form
   82,792.10/124,103.10 = 40,607.30/x
3. Step 3: Cross multiply
   82,792.10x = 124,103.10 × 40,607.30
4. Step 4: Simplify right side
   82,792.10x = 5,039,491,812.63
5. Step 5: Solve for x
   x = 5,039,491,812.63/82,792.10
6. Step 6: Final answer
   x = 60,869.24