Finding the Fourth Proportional to 14,488.21, 21,734.03 and 5,126.28

Step by Step Solution

1. Step 1: Write the proportion equation
   14,488.21 : 21,734.03 = 5,126.28 : x
2. Step 2: Convert to fraction form
   14,488.21/21,734.03 = 5,126.28/x
3. Step 3: Cross multiply
   14,488.21x = 21,734.03 × 5,126.28
4. Step 4: Simplify right side
   14,488.21x = 111,414,723.31
5. Step 5: Solve for x
   x = 111,414,723.31/14,488.21
6. Step 6: Final answer
   x = 7,690.03