Finding the Fourth Proportional to 7,249.47, 10,870.01 and 3,868.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,249.47 : 10,870.01 = 3,868.09 : x
2. Step 2: Convert to fraction form
   7,249.47/10,870.01 = 3,868.09/x
3. Step 3: Cross multiply
   7,249.47x = 10,870.01 × 3,868.09
4. Step 4: Simplify right side
   7,249.47x = 42,046,144.97
5. Step 5: Solve for x
   x = 42,046,144.97/7,249.47
6. Step 6: Final answer
   x = 5,799.90