Finding the Fourth Proportional to 2,498.40, 3,742.92 and 2,090.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.40 : 3,742.92 = 2,090.16 : x
2. Step 2: Convert to fraction form
   2,498.40/3,742.92 = 2,090.16/x
3. Step 3: Cross multiply
   2,498.40x = 3,742.92 × 2,090.16
4. Step 4: Simplify right side
   2,498.40x = 7,823,301.67
5. Step 5: Solve for x
   x = 7,823,301.67/2,498.40
6. Step 6: Final answer
   x = 3,131.32