Finding the Fourth Proportional to 123,150.96, 169,965.95 and 89,271.61

Step by Step Solution

1. Step 1: Write the proportion equation
   123,150.96 : 169,965.95 = 89,271.61 : x
2. Step 2: Convert to fraction form
   123,150.96/169,965.95 = 89,271.61/x
3. Step 3: Cross multiply
   123,150.96x = 169,965.95 × 89,271.61
4. Step 4: Simplify right side
   123,150.96x = 15,173,133,130.41
5. Step 5: Solve for x
   x = 15,173,133,130.41/123,150.96
6. Step 6: Final answer
   x = 123,207.59