Finding the Fourth Proportional to 89,898.24, 124,067.52 and 49,620.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,898.24 : 124,067.52 = 49,620.72 : x
2. Step 2: Convert to fraction form
   89,898.24/124,067.52 = 49,620.72/x
3. Step 3: Cross multiply
   89,898.24x = 124,067.52 × 49,620.72
4. Step 4: Simplify right side
   89,898.24x = 6,156,319,671.01
5. Step 5: Solve for x
   x = 6,156,319,671.01/89,898.24
6. Step 6: Final answer
   x = 68,480.98