Finding the Fourth Proportional to 22,268.01, 33,391.59 and 12,910.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,268.01 : 33,391.59 = 12,910.69 : x
2. Step 2: Convert to fraction form
   22,268.01/33,391.59 = 12,910.69/x
3. Step 3: Cross multiply
   22,268.01x = 33,391.59 × 12,910.69
4. Step 4: Simplify right side
   22,268.01x = 431,108,533.04
5. Step 5: Solve for x
   x = 431,108,533.04/22,268.01
6. Step 6: Final answer
   x = 19,359.99