Finding the Fourth Proportional to 21,053.71, 29,056.89 and 14,676.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,053.71 : 29,056.89 = 14,676.18 : x
2. Step 2: Convert to fraction form
   21,053.71/29,056.89 = 14,676.18/x
3. Step 3: Cross multiply
   21,053.71x = 29,056.89 × 14,676.18
4. Step 4: Simplify right side
   21,053.71x = 426,444,147.88
5. Step 5: Solve for x
   x = 426,444,147.88/21,053.71
6. Step 6: Final answer
   x = 20,255.06