Finding the Fourth Proportional to 16,216.66, 22,386.53 and 9,501.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,216.66 : 22,386.53 = 9,501.35 : x
2. Step 2: Convert to fraction form
   16,216.66/22,386.53 = 9,501.35/x
3. Step 3: Cross multiply
   16,216.66x = 22,386.53 × 9,501.35
4. Step 4: Simplify right side
   16,216.66x = 212,702,336.54
5. Step 5: Solve for x
   x = 212,702,336.54/16,216.66
6. Step 6: Final answer
   x = 13,116.29