Finding the Fourth Proportional to 2,981.07, 4,114.17 and 1,722.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.07 : 4,114.17 = 1,722.15 : x
2. Step 2: Convert to fraction form
   2,981.07/4,114.17 = 1,722.15/x
3. Step 3: Cross multiply
   2,981.07x = 4,114.17 × 1,722.15
4. Step 4: Simplify right side
   2,981.07x = 7,085,217.87
5. Step 5: Solve for x
   x = 7,085,217.87/2,981.07
6. Step 6: Final answer
   x = 2,376.74