Finding the Fourth Proportional to 21,761.33, 30,039.82 and 14,697.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,761.33 : 30,039.82 = 14,697.32 : x
2. Step 2: Convert to fraction form
   21,761.33/30,039.82 = 14,697.32/x
3. Step 3: Cross multiply
   21,761.33x = 30,039.82 × 14,697.32
4. Step 4: Simplify right side
   21,761.33x = 441,504,679.52
5. Step 5: Solve for x
   x = 441,504,679.52/21,761.33
6. Step 6: Final answer
   x = 20,288.50