Finding the Fourth Proportional to 22,200.45, 33,317.10 and 10,513.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,200.45 : 33,317.10 = 10,513.69 : x
2. Step 2: Convert to fraction form
   22,200.45/33,317.10 = 10,513.69/x
3. Step 3: Cross multiply
   22,200.45x = 33,317.10 × 10,513.69
4. Step 4: Simplify right side
   22,200.45x = 350,285,661.10
5. Step 5: Solve for x
   x = 350,285,661.10/22,200.45
6. Step 6: Final answer
   x = 15,778.31