Finding the Fourth Proportional to 2,581.36, 3,562.28 and 1,402.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.36 : 3,562.28 = 1,402.43 : x
2. Step 2: Convert to fraction form
   2,581.36/3,562.28 = 1,402.43/x
3. Step 3: Cross multiply
   2,581.36x = 3,562.28 × 1,402.43
4. Step 4: Simplify right side
   2,581.36x = 4,995,848.34
5. Step 5: Solve for x
   x = 4,995,848.34/2,581.36
6. Step 6: Final answer
   x = 1,935.36