Finding the Fourth Proportional to 2,352.29, 3,245.31 and 1,407.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,352.29 : 3,245.31 = 1,407.42 : x
2. Step 2: Convert to fraction form
   2,352.29/3,245.31 = 1,407.42/x
3. Step 3: Cross multiply
   2,352.29x = 3,245.31 × 1,407.42
4. Step 4: Simplify right side
   2,352.29x = 4,567,514.20
5. Step 5: Solve for x
   x = 4,567,514.20/2,352.29
6. Step 6: Final answer
   x = 1,941.74