Finding the Fourth Proportional to 2,256.53, 3,382.43 and 2,147.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.53 : 3,382.43 = 2,147.04 : x
2. Step 2: Convert to fraction form
   2,256.53/3,382.43 = 2,147.04/x
3. Step 3: Cross multiply
   2,256.53x = 3,382.43 × 2,147.04
4. Step 4: Simplify right side
   2,256.53x = 7,262,201.77
5. Step 5: Solve for x
   x = 7,262,201.77/2,256.53
6. Step 6: Final answer
   x = 3,218.31