Finding the Fourth Proportional to 102,785.91, 141,847.89 and 56,846.22

Step by Step Solution

1. Step 1: Write the proportion equation
   102,785.91 : 141,847.89 = 56,846.22 : x
2. Step 2: Convert to fraction form
   102,785.91/141,847.89 = 56,846.22/x
3. Step 3: Cross multiply
   102,785.91x = 141,847.89 × 56,846.22
4. Step 4: Simplify right side
   102,785.91x = 8,063,516,361.48
5. Step 5: Solve for x
   x = 8,063,516,361.48/102,785.91
6. Step 6: Final answer
   x = 78,449.63