Finding the Fourth Proportional to 2,579.10, 3,868.38 and 935.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.10 : 3,868.38 = 935.34 : x
2. Step 2: Convert to fraction form
   2,579.10/3,868.38 = 935.34/x
3. Step 3: Cross multiply
   2,579.10x = 3,868.38 × 935.34
4. Step 4: Simplify right side
   2,579.10x = 3,618,250.55
5. Step 5: Solve for x
   x = 3,618,250.55/2,579.10
6. Step 6: Final answer
   x = 1,402.91