Finding the Fourth Proportional to 2,401.28, 3,602.42 and 841.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.28 : 3,602.42 = 841.22 : x
2. Step 2: Convert to fraction form
   2,401.28/3,602.42 = 841.22/x
3. Step 3: Cross multiply
   2,401.28x = 3,602.42 × 841.22
4. Step 4: Simplify right side
   2,401.28x = 3,030,422.20
5. Step 5: Solve for x
   x = 3,030,422.20/2,401.28
6. Step 6: Final answer
   x = 1,262.00