Finding the Fourth Proportional to 2,405.30, 3,606.72 and 738.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.30 : 3,606.72 = 738.92 : x
2. Step 2: Convert to fraction form
   2,405.30/3,606.72 = 738.92/x
3. Step 3: Cross multiply
   2,405.30x = 3,606.72 × 738.92
4. Step 4: Simplify right side
   2,405.30x = 2,665,077.54
5. Step 5: Solve for x
   x = 2,665,077.54/2,405.30
6. Step 6: Final answer
   x = 1,108.00