Finding the Fourth Proportional to 2,664.17, 3,991.13 and 1,490.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.17 : 3,991.13 = 1,490.61 : x
2. Step 2: Convert to fraction form
   2,664.17/3,991.13 = 1,490.61/x
3. Step 3: Cross multiply
   2,664.17x = 3,991.13 × 1,490.61
4. Step 4: Simplify right side
   2,664.17x = 5,949,217.33
5. Step 5: Solve for x
   x = 5,949,217.33/2,664.17
6. Step 6: Final answer
   x = 2,233.05