Finding the Fourth Proportional to 89,359.48, 123,311.20 and 49,078.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,359.48 : 123,311.20 = 49,078.52 : x
2. Step 2: Convert to fraction form
   89,359.48/123,311.20 = 49,078.52/x
3. Step 3: Cross multiply
   89,359.48x = 123,311.20 × 49,078.52
4. Step 4: Simplify right side
   89,359.48x = 6,051,931,195.42
5. Step 5: Solve for x
   x = 6,051,931,195.42/89,359.48
6. Step 6: Final answer
   x = 67,725.68