Finding the Fourth Proportional to 22,366.28, 33,553.52 and 9,211.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,366.28 : 33,553.52 = 9,211.47 : x
2. Step 2: Convert to fraction form
   22,366.28/33,553.52 = 9,211.47/x
3. Step 3: Cross multiply
   22,366.28x = 33,553.52 × 9,211.47
4. Step 4: Simplify right side
   22,366.28x = 309,077,196.82
5. Step 5: Solve for x
   x = 309,077,196.82/22,366.28
6. Step 6: Final answer
   x = 13,818.89