Finding the Fourth Proportional to 65,906.10, 91,099.98 and 60,674.76

Step by Step Solution

1. Step 1: Write the proportion equation
   65,906.10 : 91,099.98 = 60,674.76 : x
2. Step 2: Convert to fraction form
   65,906.10/91,099.98 = 60,674.76/x
3. Step 3: Cross multiply
   65,906.10x = 91,099.98 × 60,674.76
4. Step 4: Simplify right side
   65,906.10x = 5,527,469,422.50
5. Step 5: Solve for x
   x = 5,527,469,422.50/65,906.10
6. Step 6: Final answer
   x = 83,868.86