Finding the Fourth Proportional to 14,019.22, 21,022.67 and 5,247.98

Step by Step Solution

1. Step 1: Write the proportion equation
   14,019.22 : 21,022.67 = 5,247.98 : x
2. Step 2: Convert to fraction form
   14,019.22/21,022.67 = 5,247.98/x
3. Step 3: Cross multiply
   14,019.22x = 21,022.67 × 5,247.98
4. Step 4: Simplify right side
   14,019.22x = 110,326,564.83
5. Step 5: Solve for x
   x = 110,326,564.83/14,019.22
6. Step 6: Final answer
   x = 7,869.67