Finding the Fourth Proportional to 14,013.98, 21,016.34 and 5,127.29

Step by Step Solution

1. Step 1: Write the proportion equation
   14,013.98 : 21,016.34 = 5,127.29 : x
2. Step 2: Convert to fraction form
   14,013.98/21,016.34 = 5,127.29/x
3. Step 3: Cross multiply
   14,013.98x = 21,016.34 × 5,127.29
4. Step 4: Simplify right side
   14,013.98x = 107,756,739.20
5. Step 5: Solve for x
   x = 107,756,739.20/14,013.98
6. Step 6: Final answer
   x = 7,689.23