Finding the Fourth Proportional to 89,651.17, 123,718.61 and 49,364.83

Step by Step Solution

1. Step 1: Write the proportion equation
   89,651.17 : 123,718.61 = 49,364.83 : x
2. Step 2: Convert to fraction form
   89,651.17/123,718.61 = 49,364.83/x
3. Step 3: Cross multiply
   89,651.17x = 123,718.61 × 49,364.83
4. Step 4: Simplify right side
   89,651.17x = 6,107,348,150.49
5. Step 5: Solve for x
   x = 6,107,348,150.49/89,651.17
6. Step 6: Final answer
   x = 68,123.46