Finding the Fourth Proportional to 2,382.72, 3,572.30 and 738.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.72 : 3,572.30 = 738.32 : x
2. Step 2: Convert to fraction form
   2,382.72/3,572.30 = 738.32/x
3. Step 3: Cross multiply
   2,382.72x = 3,572.30 × 738.32
4. Step 4: Simplify right side
   2,382.72x = 2,637,484.52
5. Step 5: Solve for x
   x = 2,637,484.52/2,382.72
6. Step 6: Final answer
   x = 1,106.92