Finding the Fourth Proportional to 3,869.39, 5,338.52 and 2,275.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,869.39 : 5,338.52 = 2,275.52 : x
2. Step 2: Convert to fraction form
   3,869.39/5,338.52 = 2,275.52/x
3. Step 3: Cross multiply
   3,869.39x = 5,338.52 × 2,275.52
4. Step 4: Simplify right side
   3,869.39x = 12,147,870.96
5. Step 5: Solve for x
   x = 12,147,870.96/3,869.39
6. Step 6: Final answer
   x = 3,139.48