Finding the Fourth Proportional to 2,538.12, 3,502.98 and 1,490.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.12 : 3,502.98 = 1,490.52 : x
2. Step 2: Convert to fraction form
   2,538.12/3,502.98 = 1,490.52/x
3. Step 3: Cross multiply
   2,538.12x = 3,502.98 × 1,490.52
4. Step 4: Simplify right side
   2,538.12x = 5,221,261.75
5. Step 5: Solve for x
   x = 5,221,261.75/2,538.12
6. Step 6: Final answer
   x = 2,057.14