Finding the Fourth Proportional to 2,515.29, 3,468.33 and 2,180.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.29 : 3,468.33 = 2,180.76 : x
2. Step 2: Convert to fraction form
   2,515.29/3,468.33 = 2,180.76/x
3. Step 3: Cross multiply
   2,515.29x = 3,468.33 × 2,180.76
4. Step 4: Simplify right side
   2,515.29x = 7,563,595.33
5. Step 5: Solve for x
   x = 7,563,595.33/2,515.29
6. Step 6: Final answer
   x = 3,007.05