Finding the Fourth Proportional to 2,579.42, 3,867.92 and 935.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.42 : 3,867.92 = 935.52 : x
2. Step 2: Convert to fraction form
   2,579.42/3,867.92 = 935.52/x
3. Step 3: Cross multiply
   2,579.42x = 3,867.92 × 935.52
4. Step 4: Simplify right side
   2,579.42x = 3,618,516.52
5. Step 5: Solve for x
   x = 3,618,516.52/2,579.42
6. Step 6: Final answer
   x = 1,402.84