Finding the Fourth Proportional to 16,591.38, 22,898.28 and 9,516.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,591.38 : 22,898.28 = 9,516.42 : x
2. Step 2: Convert to fraction form
   16,591.38/22,898.28 = 9,516.42/x
3. Step 3: Cross multiply
   16,591.38x = 22,898.28 × 9,516.42
4. Step 4: Simplify right side
   16,591.38x = 217,909,649.76
5. Step 5: Solve for x
   x = 217,909,649.76/16,591.38
6. Step 6: Final answer
   x = 13,133.91