Finding the Fourth Proportional to 89,699.55, 123,786.24 and 49,414.74

Step by Step Solution

1. Step 1: Write the proportion equation
   89,699.55 : 123,786.24 = 49,414.74 : x
2. Step 2: Convert to fraction form
   89,699.55/123,786.24 = 49,414.74/x
3. Step 3: Cross multiply
   89,699.55x = 123,786.24 × 49,414.74
4. Step 4: Simplify right side
   89,699.55x = 6,116,864,865.18
5. Step 5: Solve for x
   x = 6,116,864,865.18/89,699.55
6. Step 6: Final answer
   x = 68,192.82