Finding the Fourth Proportional to 21,050.28, 29,046.06 and 12,552.03

Step by Step Solution

1. Step 1: Write the proportion equation
   21,050.28 : 29,046.06 = 12,552.03 : x
2. Step 2: Convert to fraction form
   21,050.28/29,046.06 = 12,552.03/x
3. Step 3: Cross multiply
   21,050.28x = 29,046.06 × 12,552.03
4. Step 4: Simplify right side
   21,050.28x = 364,587,016.50
5. Step 5: Solve for x
   x = 364,587,016.50/21,050.28
6. Step 6: Final answer
   x = 17,319.82