Finding the Fourth Proportional to 140,711.89, 194,184.55 and 77,055.61

Step by Step Solution

1. Step 1: Write the proportion equation
   140,711.89 : 194,184.55 = 77,055.61 : x
2. Step 2: Convert to fraction form
   140,711.89/194,184.55 = 77,055.61/x
3. Step 3: Cross multiply
   140,711.89x = 194,184.55 × 77,055.61
4. Step 4: Simplify right side
   140,711.89x = 14,963,007,981.90
5. Step 5: Solve for x
   x = 14,963,007,981.90/140,711.89
6. Step 6: Final answer
   x = 106,337.91