Finding the Fourth Proportional to 21,610.29, 29,822.35 and 12,050.78

Step by Step Solution

1. Step 1: Write the proportion equation
   21,610.29 : 29,822.35 = 12,050.78 : x
2. Step 2: Convert to fraction form
   21,610.29/29,822.35 = 12,050.78/x
3. Step 3: Cross multiply
   21,610.29x = 29,822.35 × 12,050.78
4. Step 4: Simplify right side
   21,610.29x = 359,382,456.18
5. Step 5: Solve for x
   x = 359,382,456.18/21,610.29
6. Step 6: Final answer
   x = 16,630.15