Finding the Fourth Proportional to 3,427.89, 5,160.51 and 2,339.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,427.89 : 5,160.51 = 2,339.10 : x
2. Step 2: Convert to fraction form
   3,427.89/5,160.51 = 2,339.10/x
3. Step 3: Cross multiply
   3,427.89x = 5,160.51 × 2,339.10
4. Step 4: Simplify right side
   3,427.89x = 12,070,948.94
5. Step 5: Solve for x
   x = 12,070,948.94/3,427.89
6. Step 6: Final answer
   x = 3,521.39