Finding the Fourth Proportional to 141,718.71, 195,562.83 and 78,056.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,718.71 : 195,562.83 = 78,056.50 : x
2. Step 2: Convert to fraction form
   141,718.71/195,562.83 = 78,056.50/x
3. Step 3: Cross multiply
   141,718.71x = 195,562.83 × 78,056.50
4. Step 4: Simplify right side
   141,718.71x = 15,264,950,039.90
5. Step 5: Solve for x
   x = 15,264,950,039.90/141,718.71
6. Step 6: Final answer
   x = 107,713.02