Finding the Fourth Proportional to 86,658.56, 129,901.73 and 60,307.94

Step by Step Solution

1. Step 1: Write the proportion equation
   86,658.56 : 129,901.73 = 60,307.94 : x
2. Step 2: Convert to fraction form
   86,658.56/129,901.73 = 60,307.94/x
3. Step 3: Cross multiply
   86,658.56x = 129,901.73 × 60,307.94
4. Step 4: Simplify right side
   86,658.56x = 7,834,105,761.95
5. Step 5: Solve for x
   x = 7,834,105,761.95/86,658.56
6. Step 6: Final answer
   x = 90,401.99