Finding the Fourth Proportional to 2,402.55, 3,586.61 and 2,231.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.55 : 3,586.61 = 2,231.24 : x
2. Step 2: Convert to fraction form
   2,402.55/3,586.61 = 2,231.24/x
3. Step 3: Cross multiply
   2,402.55x = 3,586.61 × 2,231.24
4. Step 4: Simplify right side
   2,402.55x = 8,002,575.34
5. Step 5: Solve for x
   x = 8,002,575.34/2,402.55
6. Step 6: Final answer
   x = 3,330.87