Finding the Fourth Proportional to 16,174.28, 22,328.06 and 9,458.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,174.28 : 22,328.06 = 9,458.98 : x
2. Step 2: Convert to fraction form
   16,174.28/22,328.06 = 9,458.98/x
3. Step 3: Cross multiply
   16,174.28x = 22,328.06 × 9,458.98
4. Step 4: Simplify right side
   16,174.28x = 211,200,569.86
5. Step 5: Solve for x
   x = 211,200,569.86/16,174.28
6. Step 6: Final answer
   x = 13,057.80