Finding the Fourth Proportional to 2,581.56, 3,562.54 and 1,402.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.56 : 3,562.54 = 1,402.62 : x
2. Step 2: Convert to fraction form
   2,581.56/3,562.54 = 1,402.62/x
3. Step 3: Cross multiply
   2,581.56x = 3,562.54 × 1,402.62
4. Step 4: Simplify right side
   2,581.56x = 4,996,889.85
5. Step 5: Solve for x
   x = 4,996,889.85/2,581.56
6. Step 6: Final answer
   x = 1,935.61