Finding the Fourth Proportional to 16,253.92, 22,430.22 and 9,538.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,253.92 : 22,430.22 = 9,538.34 : x
2. Step 2: Convert to fraction form
   16,253.92/22,430.22 = 9,538.34/x
3. Step 3: Cross multiply
   16,253.92x = 22,430.22 × 9,538.34
4. Step 4: Simplify right side
   16,253.92x = 213,947,064.63
5. Step 5: Solve for x
   x = 213,947,064.63/16,253.92
6. Step 6: Final answer
   x = 13,162.80