Finding the Fourth Proportional to 2,649.18, 3,972.42 and 1,416.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.18 : 3,972.42 = 1,416.27 : x
2. Step 2: Convert to fraction form
   2,649.18/3,972.42 = 1,416.27/x
3. Step 3: Cross multiply
   2,649.18x = 3,972.42 × 1,416.27
4. Step 4: Simplify right side
   2,649.18x = 5,626,019.27
5. Step 5: Solve for x
   x = 5,626,019.27/2,649.18
6. Step 6: Final answer
   x = 2,123.68