Finding the Fourth Proportional to 115,911.43, 159,947.01 and 65,610.43

Step by Step Solution

1. Step 1: Write the proportion equation
   115,911.43 : 159,947.01 = 65,610.43 : x
2. Step 2: Convert to fraction form
   115,911.43/159,947.01 = 65,610.43/x
3. Step 3: Cross multiply
   115,911.43x = 159,947.01 × 65,610.43
4. Step 4: Simplify right side
   115,911.43x = 10,494,192,103.31
5. Step 5: Solve for x
   x = 10,494,192,103.31/115,911.43
6. Step 6: Final answer
   x = 90,536.30