Finding the Fourth Proportional to 14,581.54, 21,871.23 and 5,818.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,581.54 : 21,871.23 = 5,818.42 : x
2. Step 2: Convert to fraction form
   14,581.54/21,871.23 = 5,818.42/x
3. Step 3: Cross multiply
   14,581.54x = 21,871.23 × 5,818.42
4. Step 4: Simplify right side
   14,581.54x = 127,256,002.06
5. Step 5: Solve for x
   x = 127,256,002.06/14,581.54
6. Step 6: Final answer
   x = 8,727.20