Finding the Fourth Proportional to 115,852.89, 159,879.42 and 65,551.89

Step by Step Solution

1. Step 1: Write the proportion equation
   115,852.89 : 159,879.42 = 65,551.89 : x
2. Step 2: Convert to fraction form
   115,852.89/159,879.42 = 65,551.89/x
3. Step 3: Cross multiply
   115,852.89x = 159,879.42 × 65,551.89
4. Step 4: Simplify right side
   115,852.89x = 10,480,398,153.10
5. Step 5: Solve for x
   x = 10,480,398,153.10/115,852.89
6. Step 6: Final answer
   x = 90,462.98