Finding the Fourth Proportional to 115,328.08, 159,158.28 and 65,026

Step by Step Solution

1. Step 1: Write the proportion equation
   115,328.08 : 159,158.28 = 65,026 : x
2. Step 2: Convert to fraction form
   115,328.08/159,158.28 = 65,026/x
3. Step 3: Cross multiply
   115,328.08x = 159,158.28 × 65,026
4. Step 4: Simplify right side
   115,328.08x = 10,349,426,315.28
5. Step 5: Solve for x
   x = 10,349,426,315.28/115,328.08
6. Step 6: Final answer
   x = 89,739.00