Finding the Fourth Proportional to 2,981.34, 4,113.72 and 1,722.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.34 : 4,113.72 = 1,722.42 : x
2. Step 2: Convert to fraction form
   2,981.34/4,113.72 = 1,722.42/x
3. Step 3: Cross multiply
   2,981.34x = 4,113.72 × 1,722.42
4. Step 4: Simplify right side
   2,981.34x = 7,085,553.60
5. Step 5: Solve for x
   x = 7,085,553.60/2,981.34
6. Step 6: Final answer
   x = 2,376.63