Finding the Fourth Proportional to 2,581.74, 3,562.67 and 1,402.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.74 : 3,562.67 = 1,402.81 : x
2. Step 2: Convert to fraction form
   2,581.74/3,562.67 = 1,402.81/x
3. Step 3: Cross multiply
   2,581.74x = 3,562.67 × 1,402.81
4. Step 4: Simplify right side
   2,581.74x = 4,997,724.28
5. Step 5: Solve for x
   x = 4,997,724.28/2,581.74
6. Step 6: Final answer
   x = 1,935.80