Finding the Fourth Proportional to 12,301.25, 18,452.90 and 3,869.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,301.25 : 18,452.90 = 3,869.69 : x
2. Step 2: Convert to fraction form
   12,301.25/18,452.90 = 3,869.69/x
3. Step 3: Cross multiply
   12,301.25x = 18,452.90 × 3,869.69
4. Step 4: Simplify right side
   12,301.25x = 71,406,920.01
5. Step 5: Solve for x
   x = 71,406,920.01/12,301.25
6. Step 6: Final answer
   x = 5,804.85