Finding the Fourth Proportional to 21,969.76, 30,333.31 and 14,022.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,969.76 : 30,333.31 = 14,022.75 : x
2. Step 2: Convert to fraction form
   21,969.76/30,333.31 = 14,022.75/x
3. Step 3: Cross multiply
   21,969.76x = 30,333.31 × 14,022.75
4. Step 4: Simplify right side
   21,969.76x = 425,356,285.00
5. Step 5: Solve for x
   x = 425,356,285.00/21,969.76
6. Step 6: Final answer
   x = 19,360.99