Finding the Fourth Proportional to 21,061.42, 29,069.31 and 14,363.04

Step by Step Solution

1. Step 1: Write the proportion equation
   21,061.42 : 29,069.31 = 14,363.04 : x
2. Step 2: Convert to fraction form
   21,061.42/29,069.31 = 14,363.04/x
3. Step 3: Cross multiply
   21,061.42x = 29,069.31 × 14,363.04
4. Step 4: Simplify right side
   21,061.42x = 417,523,662.30
5. Step 5: Solve for x
   x = 417,523,662.30/21,061.42
6. Step 6: Final answer
   x = 19,824.10