Finding the Fourth Proportional to 2,981.88, 4,114.71 and 1,722.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.88 : 4,114.71 = 1,722.69 : x
2. Step 2: Convert to fraction form
   2,981.88/4,114.71 = 1,722.69/x
3. Step 3: Cross multiply
   2,981.88x = 4,114.71 × 1,722.69
4. Step 4: Simplify right side
   2,981.88x = 7,088,369.77
5. Step 5: Solve for x
   x = 7,088,369.77/2,981.88
6. Step 6: Final answer
   x = 2,377.15