Finding the Fourth Proportional to 89,520.10, 123,535.28 and 49,233.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,520.10 : 123,535.28 = 49,233.88 : x
2. Step 2: Convert to fraction form
   89,520.10/123,535.28 = 49,233.88/x
3. Step 3: Cross multiply
   89,520.10x = 123,535.28 × 49,233.88
4. Step 4: Simplify right side
   89,520.10x = 6,082,120,456.96
5. Step 5: Solve for x
   x = 6,082,120,456.96/89,520.10
6. Step 6: Final answer
   x = 67,941.39