Finding the Fourth Proportional to 2,401.18, 3,310.64 and 2,003.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.18 : 3,310.64 = 2,003.42 : x
2. Step 2: Convert to fraction form
   2,401.18/3,310.64 = 2,003.42/x
3. Step 3: Cross multiply
   2,401.18x = 3,310.64 × 2,003.42
4. Step 4: Simplify right side
   2,401.18x = 6,632,575.82
5. Step 5: Solve for x
   x = 6,632,575.82/2,401.18
6. Step 6: Final answer
   x = 2,762.22