Finding the Fourth Proportional to 141,687.50, 195,525.78 and 78,025.82

Step by Step Solution

1. Step 1: Write the proportion equation
   141,687.50 : 195,525.78 = 78,025.82 : x
2. Step 2: Convert to fraction form
   141,687.50/195,525.78 = 78,025.82/x
3. Step 3: Cross multiply
   141,687.50x = 195,525.78 × 78,025.82
4. Step 4: Simplify right side
   141,687.50x = 15,256,059,315.64
5. Step 5: Solve for x
   x = 15,256,059,315.64/141,687.50
6. Step 6: Final answer
   x = 107,674.00