Finding the Fourth Proportional to 240,776.15, 361,188.11 and 89,013

Step by Step Solution

1. Step 1: Write the proportion equation
   240,776.15 : 361,188.11 = 89,013 : x
2. Step 2: Convert to fraction form
   240,776.15/361,188.11 = 89,013/x
3. Step 3: Cross multiply
   240,776.15x = 361,188.11 × 89,013
4. Step 4: Simplify right side
   240,776.15x = 32,150,436,790.37
5. Step 5: Solve for x
   x = 32,150,436,790.37/240,776.15
6. Step 6: Final answer
   x = 133,528.33