Finding the Fourth Proportional to 21,017.48, 29,002.37 and 12,063.08

Step by Step Solution

1. Step 1: Write the proportion equation
   21,017.48 : 29,002.37 = 12,063.08 : x
2. Step 2: Convert to fraction form
   21,017.48/29,002.37 = 12,063.08/x
3. Step 3: Cross multiply
   21,017.48x = 29,002.37 × 12,063.08
4. Step 4: Simplify right side
   21,017.48x = 349,858,012.16
5. Step 5: Solve for x
   x = 349,858,012.16/21,017.48
6. Step 6: Final answer
   x = 16,646.05