Finding the Fourth Proportional to 90,144.12, 124,397.82 and 49,854.72

Step by Step Solution

1. Step 1: Write the proportion equation
   90,144.12 : 124,397.82 = 49,854.72 : x
2. Step 2: Convert to fraction form
   90,144.12/124,397.82 = 49,854.72/x
3. Step 3: Cross multiply
   90,144.12x = 124,397.82 × 49,854.72
4. Step 4: Simplify right side
   90,144.12x = 6,201,818,484.71
5. Step 5: Solve for x
   x = 6,201,818,484.71/90,144.12
6. Step 6: Final answer
   x = 68,798.92