Finding the Fourth Proportional to 111,959.53, 154,700.88 and 89,484

Step by Step Solution

1. Step 1: Write the proportion equation
   111,959.53 : 154,700.88 = 89,484 : x
2. Step 2: Convert to fraction form
   111,959.53/154,700.88 = 89,484/x
3. Step 3: Cross multiply
   111,959.53x = 154,700.88 × 89,484
4. Step 4: Simplify right side
   111,959.53x = 13,843,253,545.92
5. Step 5: Solve for x
   x = 13,843,253,545.92/111,959.53
6. Step 6: Final answer
   x = 123,645.16