Finding the Fourth Proportional to 115,892.83, 159,904.69 and 65,591.83

Step by Step Solution

1. Step 1: Write the proportion equation
   115,892.83 : 159,904.69 = 65,591.83 : x
2. Step 2: Convert to fraction form
   115,892.83/159,904.69 = 65,591.83/x
3. Step 3: Cross multiply
   115,892.83x = 159,904.69 × 65,591.83
4. Step 4: Simplify right side
   115,892.83x = 10,488,441,242.68
5. Step 5: Solve for x
   x = 10,488,441,242.68/115,892.83
6. Step 6: Final answer
   x = 90,501.21