Finding the Fourth Proportional to 255,324.72, 383,162.04 and 89,112.72

Step by Step Solution

1. Step 1: Write the proportion equation
   255,324.72 : 383,162.04 = 89,112.72 : x
2. Step 2: Convert to fraction form
   255,324.72/383,162.04 = 89,112.72/x
3. Step 3: Cross multiply
   255,324.72x = 383,162.04 × 89,112.72
4. Step 4: Simplify right side
   255,324.72x = 34,144,611,585.15
5. Step 5: Solve for x
   x = 34,144,611,585.15/255,324.72
6. Step 6: Final answer
   x = 133,730.14