Finding the Fourth Proportional to 140,760.72, 194,249.52 and 77,099.76

Step by Step Solution

1. Step 1: Write the proportion equation
   140,760.72 : 194,249.52 = 77,099.76 : x
2. Step 2: Convert to fraction form
   140,760.72/194,249.52 = 77,099.76/x
3. Step 3: Cross multiply
   140,760.72x = 194,249.52 × 77,099.76
4. Step 4: Simplify right side
   140,760.72x = 14,976,591,372.12
5. Step 5: Solve for x
   x = 14,976,591,372.12/140,760.72
6. Step 6: Final answer
   x = 106,397.52