Finding the Fourth Proportional to 92,494.43, 138,738.59 and 39,172.16

Step by Step Solution

1. Step 1: Write the proportion equation
   92,494.43 : 138,738.59 = 39,172.16 : x
2. Step 2: Convert to fraction form
   92,494.43/138,738.59 = 39,172.16/x
3. Step 3: Cross multiply
   92,494.43x = 138,738.59 × 39,172.16
4. Step 4: Simplify right side
   92,494.43x = 5,434,690,543.54
5. Step 5: Solve for x
   x = 5,434,690,543.54/92,494.43
6. Step 6: Final answer
   x = 58,756.95