Finding the Fourth Proportional to 2,093.60, 3,139.25 and 1,353.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.60 : 3,139.25 = 1,353.10 : x
2. Step 2: Convert to fraction form
   2,093.60/3,139.25 = 1,353.10/x
3. Step 3: Cross multiply
   2,093.60x = 3,139.25 × 1,353.10
4. Step 4: Simplify right side
   2,093.60x = 4,247,721.41
5. Step 5: Solve for x
   x = 4,247,721.41/2,093.60
6. Step 6: Final answer
   x = 2,028.91