Finding the Fourth Proportional to 2,146.88, 3,213.30 and 1,325.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.88 : 3,213.30 = 1,325.82 : x
2. Step 2: Convert to fraction form
   2,146.88/3,213.30 = 1,325.82/x
3. Step 3: Cross multiply
   2,146.88x = 3,213.30 × 1,325.82
4. Step 4: Simplify right side
   2,146.88x = 4,260,257.41
5. Step 5: Solve for x
   x = 4,260,257.41/2,146.88
6. Step 6: Final answer
   x = 1,984.39