Finding the Fourth Proportional to 89,311.78, 123,251.29 and 49,024.68

Step by Step Solution

1. Step 1: Write the proportion equation
   89,311.78 : 123,251.29 = 49,024.68 : x
2. Step 2: Convert to fraction form
   89,311.78/123,251.29 = 49,024.68/x
3. Step 3: Cross multiply
   89,311.78x = 123,251.29 × 49,024.68
4. Step 4: Simplify right side
   89,311.78x = 6,042,355,090.46
5. Step 5: Solve for x
   x = 6,042,355,090.46/89,311.78
6. Step 6: Final answer
   x = 67,654.62