Finding the Fourth Proportional to 89,849.36, 123,990.58 and 49,566.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,849.36 : 123,990.58 = 49,566.98 : x
2. Step 2: Convert to fraction form
   89,849.36/123,990.58 = 49,566.98/x
3. Step 3: Cross multiply
   89,849.36x = 123,990.58 × 49,566.98
4. Step 4: Simplify right side
   89,849.36x = 6,145,838,970.98
5. Step 5: Solve for x
   x = 6,145,838,970.98/89,849.36
6. Step 6: Final answer
   x = 68,401.59