Finding the Fourth Proportional to 2,981.25, 4,113.50 and 1,722.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.25 : 4,113.50 = 1,722.11 : x
2. Step 2: Convert to fraction form
   2,981.25/4,113.50 = 1,722.11/x
3. Step 3: Cross multiply
   2,981.25x = 4,113.50 × 1,722.11
4. Step 4: Simplify right side
   2,981.25x = 7,083,870.31
5. Step 5: Solve for x
   x = 7,083,870.31/2,981.25
6. Step 6: Final answer
   x = 2,376.14