Finding the Fourth Proportional to 2,401.56, 3,602.52 and 862.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.56 : 3,602.52 = 862.56 : x
2. Step 2: Convert to fraction form
   2,401.56/3,602.52 = 862.56/x
3. Step 3: Cross multiply
   2,401.56x = 3,602.52 × 862.56
4. Step 4: Simplify right side
   2,401.56x = 3,107,389.65
5. Step 5: Solve for x
   x = 3,107,389.65/2,401.56
6. Step 6: Final answer
   x = 1,293.90