Finding the Fourth Proportional to 2,382.61, 3,288.03 and 1,320.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.61 : 3,288.03 = 1,320.41 : x
2. Step 2: Convert to fraction form
   2,382.61/3,288.03 = 1,320.41/x
3. Step 3: Cross multiply
   2,382.61x = 3,288.03 × 1,320.41
4. Step 4: Simplify right side
   2,382.61x = 4,341,547.69
5. Step 5: Solve for x
   x = 4,341,547.69/2,382.61
6. Step 6: Final answer
   x = 1,822.18