Finding the Fourth Proportional to 240,788.62, 361,206.78 and 89,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   240,788.62 : 361,206.78 = 89,025.50 : x
2. Step 2: Convert to fraction form
   240,788.62/361,206.78 = 89,025.50/x
3. Step 3: Cross multiply
   240,788.62x = 361,206.78 × 89,025.50
4. Step 4: Simplify right side
   240,788.62x = 32,156,612,386.86
5. Step 5: Solve for x
   x = 32,156,612,386.86/240,788.62
6. Step 6: Final answer
   x = 133,547.06