Finding the Fourth Proportional to 2,538.30, 3,502.92 and 1,490.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.30 : 3,502.92 = 1,490.37 : x
2. Step 2: Convert to fraction form
   2,538.30/3,502.92 = 1,490.37/x
3. Step 3: Cross multiply
   2,538.30x = 3,502.92 × 1,490.37
4. Step 4: Simplify right side
   2,538.30x = 5,220,646.88
5. Step 5: Solve for x
   x = 5,220,646.88/2,538.30
6. Step 6: Final answer
   x = 2,056.75