Finding the Fourth Proportional to 2,117.75, 2,920.43 and 1,614.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117.75 : 2,920.43 = 1,614.89 : x
2. Step 2: Convert to fraction form
   2,117.75/2,920.43 = 1,614.89/x
3. Step 3: Cross multiply
   2,117.75x = 2,920.43 × 1,614.89
4. Step 4: Simplify right side
   2,117.75x = 4,716,172.43
5. Step 5: Solve for x
   x = 4,716,172.43/2,117.75
6. Step 6: Final answer
   x = 2,226.97