Finding the Fourth Proportional to 14,503.56, 21,752.31 and 5,143.87

Step by Step Solution

1. Step 1: Write the proportion equation
   14,503.56 : 21,752.31 = 5,143.87 : x
2. Step 2: Convert to fraction form
   14,503.56/21,752.31 = 5,143.87/x
3. Step 3: Cross multiply
   14,503.56x = 21,752.31 × 5,143.87
4. Step 4: Simplify right side
   14,503.56x = 111,891,101.32
5. Step 5: Solve for x
   x = 111,891,101.32/14,503.56
6. Step 6: Final answer
   x = 7,714.74