Finding the Fourth Proportional to 2,581.57, 3,562.44 and 1,402.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.57 : 3,562.44 = 1,402.60 : x
2. Step 2: Convert to fraction form
   2,581.57/3,562.44 = 1,402.60/x
3. Step 3: Cross multiply
   2,581.57x = 3,562.44 × 1,402.60
4. Step 4: Simplify right side
   2,581.57x = 4,996,678.34
5. Step 5: Solve for x
   x = 4,996,678.34/2,581.57
6. Step 6: Final answer
   x = 1,935.52