Finding the Fourth Proportional to 21,601.56, 29,811.88 and 12,044.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,601.56 : 29,811.88 = 12,044.54 : x
2. Step 2: Convert to fraction form
   21,601.56/29,811.88 = 12,044.54/x
3. Step 3: Cross multiply
   21,601.56x = 29,811.88 × 12,044.54
4. Step 4: Simplify right side
   21,601.56x = 359,070,381.14
5. Step 5: Solve for x
   x = 359,070,381.14/21,601.56
6. Step 6: Final answer
   x = 16,622.43