Finding the Fourth Proportional to 2,401.36, 3,315.76 and 1,562.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.36 : 3,315.76 = 1,562.64 : x
2. Step 2: Convert to fraction form
   2,401.36/3,315.76 = 1,562.64/x
3. Step 3: Cross multiply
   2,401.36x = 3,315.76 × 1,562.64
4. Step 4: Simplify right side
   2,401.36x = 5,181,339.21
5. Step 5: Solve for x
   x = 5,181,339.21/2,401.36
6. Step 6: Final answer
   x = 2,157.67