Finding the Fourth Proportional to 2,393.48, 3,302.82 and 1,345.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,393.48 : 3,302.82 = 1,345.40 : x
2. Step 2: Convert to fraction form
   2,393.48/3,302.82 = 1,345.40/x
3. Step 3: Cross multiply
   2,393.48x = 3,302.82 × 1,345.40
4. Step 4: Simplify right side
   2,393.48x = 4,443,614.03
5. Step 5: Solve for x
   x = 4,443,614.03/2,393.48
6. Step 6: Final answer
   x = 1,856.55