Finding the Fourth Proportional to 2,339.20, 3,228 and 1,498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.20 : 3,228 = 1,498.72 : x
2. Step 2: Convert to fraction form
   2,339.20/3,228 = 1,498.72/x
3. Step 3: Cross multiply
   2,339.20x = 3,228 × 1,498.72
4. Step 4: Simplify right side
   2,339.20x = 4,837,868.16
5. Step 5: Solve for x
   x = 4,837,868.16/2,339.20
6. Step 6: Final answer
   x = 2,068.17