Finding the Fourth Proportional to 130,665.96, 195,866.61 and 88,550.31

Step by Step Solution

1. Step 1: Write the proportion equation
   130,665.96 : 195,866.61 = 88,550.31 : x
2. Step 2: Convert to fraction form
   130,665.96/195,866.61 = 88,550.31/x
3. Step 3: Cross multiply
   130,665.96x = 195,866.61 × 88,550.31
4. Step 4: Simplify right side
   130,665.96x = 17,344,049,436.59
5. Step 5: Solve for x
   x = 17,344,049,436.59/130,665.96
6. Step 6: Final answer
   x = 132,735.79