Finding the Fourth Proportional to 21,046.96, 29,047.58 and 14,669.43

Step by Step Solution

1. Step 1: Write the proportion equation
   21,046.96 : 29,047.58 = 14,669.43 : x
2. Step 2: Convert to fraction form
   21,046.96/29,047.58 = 14,669.43/x
3. Step 3: Cross multiply
   21,046.96x = 29,047.58 × 14,669.43
4. Step 4: Simplify right side
   21,046.96x = 426,111,441.48
5. Step 5: Solve for x
   x = 426,111,441.48/21,046.96
6. Step 6: Final answer
   x = 20,245.75