Finding the Fourth Proportional to 14,041.32, 21,061.89 and 5,721.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,041.32 : 21,061.89 = 5,721.18 : x
2. Step 2: Convert to fraction form
   14,041.32/21,061.89 = 5,721.18/x
3. Step 3: Cross multiply
   14,041.32x = 21,061.89 × 5,721.18
4. Step 4: Simplify right side
   14,041.32x = 120,498,863.83
5. Step 5: Solve for x
   x = 120,498,863.83/14,041.32
6. Step 6: Final answer
   x = 8,581.73