Finding the Fourth Proportional to 22,185.50, 33,279.86 and 9,038.66

Step by Step Solution

1. Step 1: Write the proportion equation
   22,185.50 : 33,279.86 = 9,038.66 : x
2. Step 2: Convert to fraction form
   22,185.50/33,279.86 = 9,038.66/x
3. Step 3: Cross multiply
   22,185.50x = 33,279.86 × 9,038.66
4. Step 4: Simplify right side
   22,185.50x = 300,805,195.58
5. Step 5: Solve for x
   x = 300,805,195.58/22,185.50
6. Step 6: Final answer
   x = 13,558.64