Finding the Fourth Proportional to 90,156.12, 124,414.38 and 49,866.72

Step by Step Solution

1. Step 1: Write the proportion equation
   90,156.12 : 124,414.38 = 49,866.72 : x
2. Step 2: Convert to fraction form
   90,156.12/124,414.38 = 49,866.72/x
3. Step 3: Cross multiply
   90,156.12x = 124,414.38 × 49,866.72
4. Step 4: Simplify right side
   90,156.12x = 6,204,137,051.43
5. Step 5: Solve for x
   x = 6,204,137,051.43/90,156.12
6. Step 6: Final answer
   x = 68,815.48