Finding the Fourth Proportional to 3,501.39, 5,255.42 and 2,574.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,501.39 : 5,255.42 = 2,574.14 : x
2. Step 2: Convert to fraction form
   3,501.39/5,255.42 = 2,574.14/x
3. Step 3: Cross multiply
   3,501.39x = 5,255.42 × 2,574.14
4. Step 4: Simplify right side
   3,501.39x = 13,528,147.69
5. Step 5: Solve for x
   x = 13,528,147.69/3,501.39
6. Step 6: Final answer
   x = 3,863.65