Finding the Fourth Proportional to 115,868.08, 159,901.32 and 65,566

Step by Step Solution

1. Step 1: Write the proportion equation
   115,868.08 : 159,901.32 = 65,566 : x
2. Step 2: Convert to fraction form
   115,868.08/159,901.32 = 65,566/x
3. Step 3: Cross multiply
   115,868.08x = 159,901.32 × 65,566
4. Step 4: Simplify right side
   115,868.08x = 10,484,089,947.12
5. Step 5: Solve for x
   x = 10,484,089,947.12/115,868.08
6. Step 6: Final answer
   x = 90,482.99