Finding the Fourth Proportional to 14,300.28, 21,450.55 and 5,871.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,300.28 : 21,450.55 = 5,871.42 : x
2. Step 2: Convert to fraction form
   14,300.28/21,450.55 = 5,871.42/x
3. Step 3: Cross multiply
   14,300.28x = 21,450.55 × 5,871.42
4. Step 4: Simplify right side
   14,300.28x = 125,945,168.10
5. Step 5: Solve for x
   x = 125,945,168.10/14,300.28
6. Step 6: Final answer
   x = 8,807.18