Finding the Fourth Proportional to 120,082.86, 180,237.15 and 60,960.96

Step by Step Solution

1. Step 1: Write the proportion equation
   120,082.86 : 180,237.15 = 60,960.96 : x
2. Step 2: Convert to fraction form
   120,082.86/180,237.15 = 60,960.96/x
3. Step 3: Cross multiply
   120,082.86x = 180,237.15 × 60,960.96
4. Step 4: Simplify right side
   120,082.86x = 10,987,429,691.66
5. Step 5: Solve for x
   x = 10,987,429,691.66/120,082.86
6. Step 6: Final answer
   x = 91,498.73