Finding the Fourth Proportional to 2,581.08, 3,561.96 and 1,402.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.08 : 3,561.96 = 1,402.23 : x
2. Step 2: Convert to fraction form
   2,581.08/3,561.96 = 1,402.23/x
3. Step 3: Cross multiply
   2,581.08x = 3,561.96 × 1,402.23
4. Step 4: Simplify right side
   2,581.08x = 4,994,687.17
5. Step 5: Solve for x
   x = 4,994,687.17/2,581.08
6. Step 6: Final answer
   x = 1,935.12