Finding the Fourth Proportional to 2,700.99, 3,726.17 and 1,581.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.99 : 3,726.17 = 1,581.53 : x
2. Step 2: Convert to fraction form
   2,700.99/3,726.17 = 1,581.53/x
3. Step 3: Cross multiply
   2,700.99x = 3,726.17 × 1,581.53
4. Step 4: Simplify right side
   2,700.99x = 5,893,023.10
5. Step 5: Solve for x
   x = 5,893,023.10/2,700.99
6. Step 6: Final answer
   x = 2,181.80