Finding the Fourth Proportional to 14,441.16, 21,532.32 and 14,178.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,441.16 : 21,532.32 = 14,178.72 : x
2. Step 2: Convert to fraction form
   14,441.16/21,532.32 = 14,178.72/x
3. Step 3: Cross multiply
   14,441.16x = 21,532.32 × 14,178.72
4. Step 4: Simplify right side
   14,441.16x = 305,300,736.23
5. Step 5: Solve for x
   x = 305,300,736.23/14,441.16
6. Step 6: Final answer
   x = 21,141.01