Finding the Fourth Proportional to 2,345.31, 3,517.92 and 1,359.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.31 : 3,517.92 = 1,359.60 : x
2. Step 2: Convert to fraction form
   2,345.31/3,517.92 = 1,359.60/x
3. Step 3: Cross multiply
   2,345.31x = 3,517.92 × 1,359.60
4. Step 4: Simplify right side
   2,345.31x = 4,782,964.03
5. Step 5: Solve for x
   x = 4,782,964.03/2,345.31
6. Step 6: Final answer
   x = 2,039.37