Finding the Fourth Proportional to 10,108.47, 15,162.18 and 3,868

Step by Step Solution

1. Step 1: Write the proportion equation
   10,108.47 : 15,162.18 = 3,868 : x
2. Step 2: Convert to fraction form
   10,108.47/15,162.18 = 3,868/x
3. Step 3: Cross multiply
   10,108.47x = 15,162.18 × 3,868
4. Step 4: Simplify right side
   10,108.47x = 58,647,321.91
5. Step 5: Solve for x
   x = 58,647,321.91/10,108.47
6. Step 6: Final answer
   x = 5,801.80