Finding the Fourth Proportional to 14,488.56, 21,734.67 and 5,126.39

Step by Step Solution

1. Step 1: Write the proportion equation
   14,488.56 : 21,734.67 = 5,126.39 : x
2. Step 2: Convert to fraction form
   14,488.56/21,734.67 = 5,126.39/x
3. Step 3: Cross multiply
   14,488.56x = 21,734.67 × 5,126.39
4. Step 4: Simplify right side
   14,488.56x = 111,420,286.27
5. Step 5: Solve for x
   x = 111,420,286.27/14,488.56
6. Step 6: Final answer
   x = 7,690.22