Finding the Fourth Proportional to 2,659.43, 3,986.56 and 1,490.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.43 : 3,986.56 = 1,490.00 : x
2. Step 2: Convert to fraction form
   2,659.43/3,986.56 = 1,490.00/x
3. Step 3: Cross multiply
   2,659.43x = 3,986.56 × 1,490.00
4. Step 4: Simplify right side
   2,659.43x = 5,939,950.74
5. Step 5: Solve for x
   x = 5,939,950.74/2,659.43
6. Step 6: Final answer
   x = 2,233.54