Finding the Fourth Proportional to 2,550.72, 3,516.84 and 2,177.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.72 : 3,516.84 = 2,177.04 : x
2. Step 2: Convert to fraction form
   2,550.72/3,516.84 = 2,177.04/x
3. Step 3: Cross multiply
   2,550.72x = 3,516.84 × 2,177.04
4. Step 4: Simplify right side
   2,550.72x = 7,656,301.35
5. Step 5: Solve for x
   x = 7,656,301.35/2,550.72
6. Step 6: Final answer
   x = 3,001.62