Finding the Fourth Proportional to 14,488.47, 21,734.54 and 5,126.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,488.47 : 21,734.54 = 5,126.30 : x
2. Step 2: Convert to fraction form
   14,488.47/21,734.54 = 5,126.30/x
3. Step 3: Cross multiply
   14,488.47x = 21,734.54 × 5,126.30
4. Step 4: Simplify right side
   14,488.47x = 111,417,638.10
5. Step 5: Solve for x
   x = 111,417,638.10/14,488.47
6. Step 6: Final answer
   x = 7,690.09