Finding the Fourth Proportional to 108,310.52, 149,428.86 and 65,299.52

Step by Step Solution

1. Step 1: Write the proportion equation
   108,310.52 : 149,428.86 = 65,299.52 : x
2. Step 2: Convert to fraction form
   108,310.52/149,428.86 = 65,299.52/x
3. Step 3: Cross multiply
   108,310.52x = 149,428.86 × 65,299.52
4. Step 4: Simplify right side
   108,310.52x = 9,757,632,832.15
5. Step 5: Solve for x
   x = 9,757,632,832.15/108,310.52
6. Step 6: Final answer
   x = 90,089.43