Finding the Fourth Proportional to 14,031.66, 21,042.24 and 5,144.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,031.66 : 21,042.24 = 5,144.10 : x
2. Step 2: Convert to fraction form
   14,031.66/21,042.24 = 5,144.10/x
3. Step 3: Cross multiply
   14,031.66x = 21,042.24 × 5,144.10
4. Step 4: Simplify right side
   14,031.66x = 108,243,386.78
5. Step 5: Solve for x
   x = 108,243,386.78/14,031.66
6. Step 6: Final answer
   x = 7,714.23