Finding the Fourth Proportional to 255,329, 383,168.49 and 89,117

Step by Step Solution

1. Step 1: Write the proportion equation
   255,329 : 383,168.49 = 89,117 : x
2. Step 2: Convert to fraction form
   255,329/383,168.49 = 89,117/x
3. Step 3: Cross multiply
   255,329x = 383,168.49 × 89,117
4. Step 4: Simplify right side
   255,329x = 34,146,826,323.33
5. Step 5: Solve for x
   x = 34,146,826,323.33/255,329
6. Step 6: Final answer
   x = 133,736.58