Finding the Fourth Proportional to 2,581.79, 3,562.86 and 1,402.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.79 : 3,562.86 = 1,402.88 : x
2. Step 2: Convert to fraction form
   2,581.79/3,562.86 = 1,402.88/x
3. Step 3: Cross multiply
   2,581.79x = 3,562.86 × 1,402.88
4. Step 4: Simplify right side
   2,581.79x = 4,998,247.22
5. Step 5: Solve for x
   x = 4,998,247.22/2,581.79
6. Step 6: Final answer
   x = 1,935.97