Finding the Fourth Proportional to 112,397.43, 155,103.87 and 61,411.93

Step by Step Solution

1. Step 1: Write the proportion equation
   112,397.43 : 155,103.87 = 61,411.93 : x
2. Step 2: Convert to fraction form
   112,397.43/155,103.87 = 61,411.93/x
3. Step 3: Cross multiply
   112,397.43x = 155,103.87 × 61,411.93
4. Step 4: Simplify right side
   112,397.43x = 9,525,228,007.17
5. Step 5: Solve for x
   x = 9,525,228,007.17/112,397.43
6. Step 6: Final answer
   x = 84,745.96