Finding the Fourth Proportional to 21,733, 29,993.04 and 12,301.60

Step by Step Solution

1. Step 1: Write the proportion equation
   21,733 : 29,993.04 = 12,301.60 : x
2. Step 2: Convert to fraction form
   21,733/29,993.04 = 12,301.60/x
3. Step 3: Cross multiply
   21,733x = 29,993.04 × 12,301.60
4. Step 4: Simplify right side
   21,733x = 368,962,380.86
5. Step 5: Solve for x
   x = 368,962,380.86/21,733
6. Step 6: Final answer
   x = 16,977.06