Finding the Fourth Proportional to 14,036.40, 21,061.92 and 5,722.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,036.40 : 21,061.92 = 5,722.56 : x
2. Step 2: Convert to fraction form
   14,036.40/21,061.92 = 5,722.56/x
3. Step 3: Cross multiply
   14,036.40x = 21,061.92 × 5,722.56
4. Step 4: Simplify right side
   14,036.40x = 120,528,100.92
5. Step 5: Solve for x
   x = 120,528,100.92/14,036.40
6. Step 6: Final answer
   x = 8,586.82