Finding the Fourth Proportional to 21,662.49, 29,846.70 and 14,576.61

Step by Step Solution

1. Step 1: Write the proportion equation
   21,662.49 : 29,846.70 = 14,576.61 : x
2. Step 2: Convert to fraction form
   21,662.49/29,846.70 = 14,576.61/x
3. Step 3: Cross multiply
   21,662.49x = 29,846.70 × 14,576.61
4. Step 4: Simplify right side
   21,662.49x = 435,063,705.69
5. Step 5: Solve for x
   x = 435,063,705.69/21,662.49
6. Step 6: Final answer
   x = 20,083.73