Finding the Fourth Proportional to 2,581.69, 3,562.56 and 1,402.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.69 : 3,562.56 = 1,402.74 : x
2. Step 2: Convert to fraction form
   2,581.69/3,562.56 = 1,402.74/x
3. Step 3: Cross multiply
   2,581.69x = 3,562.56 × 1,402.74
4. Step 4: Simplify right side
   2,581.69x = 4,997,345.41
5. Step 5: Solve for x
   x = 4,997,345.41/2,581.69
6. Step 6: Final answer
   x = 1,935.69