Finding the Fourth Proportional to 2,659.94, 3,987.30 and 1,490.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.94 : 3,987.30 = 1,490.51 : x
2. Step 2: Convert to fraction form
   2,659.94/3,987.30 = 1,490.51/x
3. Step 3: Cross multiply
   2,659.94x = 3,987.30 × 1,490.51
4. Step 4: Simplify right side
   2,659.94x = 5,943,090.59
5. Step 5: Solve for x
   x = 5,943,090.59/2,659.94
6. Step 6: Final answer
   x = 2,234.29