Finding the Fourth Proportional to 2,882.17, 4,322.85 and 1,645.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,882.17 : 4,322.85 = 1,645.57 : x
2. Step 2: Convert to fraction form
   2,882.17/4,322.85 = 1,645.57/x
3. Step 3: Cross multiply
   2,882.17x = 4,322.85 × 1,645.57
4. Step 4: Simplify right side
   2,882.17x = 7,113,552.27
5. Step 5: Solve for x
   x = 7,113,552.27/2,882.17
6. Step 6: Final answer
   x = 2,468.12