Finding the Fourth Proportional to 14,143.92, 21,221.55 and 5,828.06

Step by Step Solution

1. Step 1: Write the proportion equation
   14,143.92 : 21,221.55 = 5,828.06 : x
2. Step 2: Convert to fraction form
   14,143.92/21,221.55 = 5,828.06/x
3. Step 3: Cross multiply
   14,143.92x = 21,221.55 × 5,828.06
4. Step 4: Simplify right side
   14,143.92x = 123,680,360.59
5. Step 5: Solve for x
   x = 123,680,360.59/14,143.92
6. Step 6: Final answer
   x = 8,744.42