Finding the Fourth Proportional to 33,588.28, 50,387.89 and 10,209.25

Step by Step Solution

1. Step 1: Write the proportion equation
   33,588.28 : 50,387.89 = 10,209.25 : x
2. Step 2: Convert to fraction form
   33,588.28/50,387.89 = 10,209.25/x
3. Step 3: Cross multiply
   33,588.28x = 50,387.89 × 10,209.25
4. Step 4: Simplify right side
   33,588.28x = 514,422,565.98
5. Step 5: Solve for x
   x = 514,422,565.98/33,588.28
6. Step 6: Final answer
   x = 15,315.54