Finding the Fourth Proportional to 141,158.04, 194,789.25 and 77,490.42

Step by Step Solution

1. Step 1: Write the proportion equation
   141,158.04 : 194,789.25 = 77,490.42 : x
2. Step 2: Convert to fraction form
   141,158.04/194,789.25 = 77,490.42/x
3. Step 3: Cross multiply
   141,158.04x = 194,789.25 × 77,490.42
4. Step 4: Simplify right side
   141,158.04x = 15,094,300,793.99
5. Step 5: Solve for x
   x = 15,094,300,793.99/141,158.04
6. Step 6: Final answer
   x = 106,931.92