Finding the Fourth Proportional to 2,554.47, 3,522.29 and 2,180.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.47 : 3,522.29 = 2,180.79 : x
2. Step 2: Convert to fraction form
   2,554.47/3,522.29 = 2,180.79/x
3. Step 3: Cross multiply
   2,554.47x = 3,522.29 × 2,180.79
4. Step 4: Simplify right side
   2,554.47x = 7,681,363.91
5. Step 5: Solve for x
   x = 7,681,363.91/2,554.47
6. Step 6: Final answer
   x = 3,007.03