Finding the Fourth Proportional to 141,151.88, 194,789.78 and 76,621.08

Step by Step Solution

1. Step 1: Write the proportion equation
   141,151.88 : 194,789.78 = 76,621.08 : x
2. Step 2: Convert to fraction form
   141,151.88/194,789.78 = 76,621.08/x
3. Step 3: Cross multiply
   141,151.88x = 194,789.78 × 76,621.08
4. Step 4: Simplify right side
   141,151.88x = 14,925,002,933.46
5. Step 5: Solve for x
   x = 14,925,002,933.46/141,151.88
6. Step 6: Final answer
   x = 105,737.19