Finding the Fourth Proportional to 22,109.52, 33,178.86 and 10,423.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,109.52 : 33,178.86 = 10,423.92 : x
2. Step 2: Convert to fraction form
   22,109.52/33,178.86 = 10,423.92/x
3. Step 3: Cross multiply
   22,109.52x = 33,178.86 × 10,423.92
4. Step 4: Simplify right side
   22,109.52x = 345,853,782.33
5. Step 5: Solve for x
   x = 345,853,782.33/22,109.52
6. Step 6: Final answer
   x = 15,642.75