Finding the Fourth Proportional to 127,521.78, 191,200.62 and 60,960.42

Step by Step Solution

1. Step 1: Write the proportion equation
   127,521.78 : 191,200.62 = 60,960.42 : x
2. Step 2: Convert to fraction form
   127,521.78/191,200.62 = 60,960.42/x
3. Step 3: Cross multiply
   127,521.78x = 191,200.62 × 60,960.42
4. Step 4: Simplify right side
   127,521.78x = 11,655,670,099.46
5. Step 5: Solve for x
   x = 11,655,670,099.46/127,521.78
6. Step 6: Final answer
   x = 91,401.41