Finding the Fourth Proportional to 2,490.39, 3,736.07 and 735.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.39 : 3,736.07 = 735.42 : x
2. Step 2: Convert to fraction form
   2,490.39/3,736.07 = 735.42/x
3. Step 3: Cross multiply
   2,490.39x = 3,736.07 × 735.42
4. Step 4: Simplify right side
   2,490.39x = 2,747,581.52
5. Step 5: Solve for x
   x = 2,747,581.52/2,490.39
6. Step 6: Final answer
   x = 1,103.28