Finding the Fourth Proportional to 108,139.33, 149,149.33 and 65,073.92

Step by Step Solution

1. Step 1: Write the proportion equation
   108,139.33 : 149,149.33 = 65,073.92 : x
2. Step 2: Convert to fraction form
   108,139.33/149,149.33 = 65,073.92/x
3. Step 3: Cross multiply
   108,139.33x = 149,149.33 × 65,073.92
4. Step 4: Simplify right side
   108,139.33x = 9,705,731,568.47
5. Step 5: Solve for x
   x = 9,705,731,568.47/108,139.33
6. Step 6: Final answer
   x = 89,752.10