Finding the Fourth Proportional to 14,085.72, 21,134.25 and 5,323.14

Step by Step Solution

1. Step 1: Write the proportion equation
   14,085.72 : 21,134.25 = 5,323.14 : x
2. Step 2: Convert to fraction form
   14,085.72/21,134.25 = 5,323.14/x
3. Step 3: Cross multiply
   14,085.72x = 21,134.25 × 5,323.14
4. Step 4: Simplify right side
   14,085.72x = 112,500,571.55
5. Step 5: Solve for x
   x = 112,500,571.55/14,085.72
6. Step 6: Final answer
   x = 7,986.85