Finding the Fourth Proportional to 89,687.12, 123,769.06 and 49,401.04

Step by Step Solution

1. Step 1: Write the proportion equation
   89,687.12 : 123,769.06 = 49,401.04 : x
2. Step 2: Convert to fraction form
   89,687.12/123,769.06 = 49,401.04/x
3. Step 3: Cross multiply
   89,687.12x = 123,769.06 × 49,401.04
4. Step 4: Simplify right side
   89,687.12x = 6,114,320,283.82
5. Step 5: Solve for x
   x = 6,114,320,283.82/89,687.12
6. Step 6: Final answer
   x = 68,173.89