Finding the Fourth Proportional to 115,328.58, 159,158.97 and 65,026.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,328.58 : 159,158.97 = 65,026.50 : x
2. Step 2: Convert to fraction form
   115,328.58/159,158.97 = 65,026.50/x
3. Step 3: Cross multiply
   115,328.58x = 159,158.97 × 65,026.50
4. Step 4: Simplify right side
   115,328.58x = 10,349,550,762.71
5. Step 5: Solve for x
   x = 10,349,550,762.71/115,328.58
6. Step 6: Final answer
   x = 89,739.69