Finding the Fourth Proportional to 2,397.52, 3,308.72 and 1,335.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.52 : 3,308.72 = 1,335.28 : x
2. Step 2: Convert to fraction form
   2,397.52/3,308.72 = 1,335.28/x
3. Step 3: Cross multiply
   2,397.52x = 3,308.72 × 1,335.28
4. Step 4: Simplify right side
   2,397.52x = 4,418,067.64
5. Step 5: Solve for x
   x = 4,418,067.64/2,397.52
6. Step 6: Final answer
   x = 1,842.77