Finding the Fourth Proportional to 16,240.47, 22,417.81 and 9,531.73

Step by Step Solution

1. Step 1: Write the proportion equation
   16,240.47 : 22,417.81 = 9,531.73 : x
2. Step 2: Convert to fraction form
   16,240.47/22,417.81 = 9,531.73/x
3. Step 3: Cross multiply
   16,240.47x = 22,417.81 × 9,531.73
4. Step 4: Simplify right side
   16,240.47x = 213,680,443.82
5. Step 5: Solve for x
   x = 213,680,443.82/16,240.47
6. Step 6: Final answer
   x = 13,157.28