Finding the Fourth Proportional to 2,148.67, 3,223.41 and 1,225.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.67 : 3,223.41 = 1,225.27 : x
2. Step 2: Convert to fraction form
   2,148.67/3,223.41 = 1,225.27/x
3. Step 3: Cross multiply
   2,148.67x = 3,223.41 × 1,225.27
4. Step 4: Simplify right side
   2,148.67x = 3,949,547.57
5. Step 5: Solve for x
   x = 3,949,547.57/2,148.67
6. Step 6: Final answer
   x = 1,838.14