Finding the Fourth Proportional to 89,900.24, 124,070.28 and 49,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,900.24 : 124,070.28 = 49,622.72 : x
2. Step 2: Convert to fraction form
   89,900.24/124,070.28 = 49,622.72/x
3. Step 3: Cross multiply
   89,900.24x = 124,070.28 × 49,622.72
4. Step 4: Simplify right side
   89,900.24x = 6,156,704,764.76
5. Step 5: Solve for x
   x = 6,156,704,764.76/89,900.24
6. Step 6: Final answer
   x = 68,483.74