Finding the Fourth Proportional to 21,474.89, 29,635.31 and 12,043.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,474.89 : 29,635.31 = 12,043.37 : x
2. Step 2: Convert to fraction form
   21,474.89/29,635.31 = 12,043.37/x
3. Step 3: Cross multiply
   21,474.89x = 29,635.31 × 12,043.37
4. Step 4: Simplify right side
   21,474.89x = 356,908,885.33
5. Step 5: Solve for x
   x = 356,908,885.33/21,474.89
6. Step 6: Final answer
   x = 16,619.83