Finding the Fourth Proportional to 103,614.15, 155,162.02 and 82,878.15

Step by Step Solution

1. Step 1: Write the proportion equation
   103,614.15 : 155,162.02 = 82,878.15 : x
2. Step 2: Convert to fraction form
   103,614.15/155,162.02 = 82,878.15/x
3. Step 3: Cross multiply
   103,614.15x = 155,162.02 × 82,878.15
4. Step 4: Simplify right side
   103,614.15x = 12,859,541,167.86
5. Step 5: Solve for x
   x = 12,859,541,167.86/103,614.15
6. Step 6: Final answer
   x = 124,109.89