Finding the Fourth Proportional to 89,941.62, 124,123.59 and 49,661.10

Step by Step Solution

1. Step 1: Write the proportion equation
   89,941.62 : 124,123.59 = 49,661.10 : x
2. Step 2: Convert to fraction form
   89,941.62/124,123.59 = 49,661.10/x
3. Step 3: Cross multiply
   89,941.62x = 124,123.59 × 49,661.10
4. Step 4: Simplify right side
   89,941.62x = 6,164,114,015.35
5. Step 5: Solve for x
   x = 6,164,114,015.35/89,941.62
6. Step 6: Final answer
   x = 68,534.61