Finding the Fourth Proportional to 2,326.29, 3,488.52 and 939.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.29 : 3,488.52 = 939.24 : x
2. Step 2: Convert to fraction form
   2,326.29/3,488.52 = 939.24/x
3. Step 3: Cross multiply
   2,326.29x = 3,488.52 × 939.24
4. Step 4: Simplify right side
   2,326.29x = 3,276,557.52
5. Step 5: Solve for x
   x = 3,276,557.52/2,326.29
6. Step 6: Final answer
   x = 1,408.49