Finding the Fourth Proportional to 89,425.24, 123,404.38 and 49,138.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,425.24 : 123,404.38 = 49,138.88 : x
2. Step 2: Convert to fraction form
   89,425.24/123,404.38 = 49,138.88/x
3. Step 3: Cross multiply
   89,425.24x = 123,404.38 × 49,138.88
4. Step 4: Simplify right side
   89,425.24x = 6,063,953,020.29
5. Step 5: Solve for x
   x = 6,063,953,020.29/89,425.24
6. Step 6: Final answer
   x = 67,810.31