Finding the Fourth Proportional to 10,143.48, 15,208.06 and 3,898.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,143.48 : 15,208.06 = 3,898.23 : x
2. Step 2: Convert to fraction form
   10,143.48/15,208.06 = 3,898.23/x
3. Step 3: Cross multiply
   10,143.48x = 15,208.06 × 3,898.23
4. Step 4: Simplify right side
   10,143.48x = 59,284,515.73
5. Step 5: Solve for x
   x = 59,284,515.73/10,143.48
6. Step 6: Final answer
   x = 5,844.59