Finding the Fourth Proportional to 1,371.34, 2,046.47 and 1,225.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.34 : 2,046.47 = 1,225.54 : x
2. Step 2: Convert to fraction form
   1,371.34/2,046.47 = 1,225.54/x
3. Step 3: Cross multiply
   1,371.34x = 2,046.47 × 1,225.54
4. Step 4: Simplify right side
   1,371.34x = 2,508,024.72
5. Step 5: Solve for x
   x = 2,508,024.72/1,371.34
6. Step 6: Final answer
   x = 1,828.89