Finding the Fourth Proportional to 2,488.71, 3,416.10 and 2,202.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.71 : 3,416.10 = 2,202.72 : x
2. Step 2: Convert to fraction form
   2,488.71/3,416.10 = 2,202.72/x
3. Step 3: Cross multiply
   2,488.71x = 3,416.10 × 2,202.72
4. Step 4: Simplify right side
   2,488.71x = 7,524,711.79
5. Step 5: Solve for x
   x = 7,524,711.79/2,488.71
6. Step 6: Final answer
   x = 3,023.54