Finding the Fourth Proportional to 2,540.03, 3,504.67 and 1,642.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.03 : 3,504.67 = 1,642.14 : x
2. Step 2: Convert to fraction form
   2,540.03/3,504.67 = 1,642.14/x
3. Step 3: Cross multiply
   2,540.03x = 3,504.67 × 1,642.14
4. Step 4: Simplify right side
   2,540.03x = 5,755,154.69
5. Step 5: Solve for x
   x = 5,755,154.69/2,540.03
6. Step 6: Final answer
   x = 2,265.79