Finding the Fourth Proportional to 115,892.33, 159,904.01 and 65,591.33

Step by Step Solution

1. Step 1: Write the proportion equation
   115,892.33 : 159,904.01 = 65,591.33 : x
2. Step 2: Convert to fraction form
   115,892.33/159,904.01 = 65,591.33/x
3. Step 3: Cross multiply
   115,892.33x = 159,904.01 × 65,591.33
4. Step 4: Simplify right side
   115,892.33x = 10,488,316,360.28
5. Step 5: Solve for x
   x = 10,488,316,360.28/115,892.33
6. Step 6: Final answer
   x = 90,500.52