Finding the Fourth Proportional to 2,401.11, 3,602.72 and 842.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.11 : 3,602.72 = 842.24 : x
2. Step 2: Convert to fraction form
   2,401.11/3,602.72 = 842.24/x
3. Step 3: Cross multiply
   2,401.11x = 3,602.72 × 842.24
4. Step 4: Simplify right side
   2,401.11x = 3,034,354.89
5. Step 5: Solve for x
   x = 3,034,354.89/2,401.11
6. Step 6: Final answer
   x = 1,263.73