Finding the Fourth Proportional to 16,056.10, 22,162.56 and 9,340.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,056.10 : 22,162.56 = 9,340.45 : x
2. Step 2: Convert to fraction form
   16,056.10/22,162.56 = 9,340.45/x
3. Step 3: Cross multiply
   16,056.10x = 22,162.56 × 9,340.45
4. Step 4: Simplify right side
   16,056.10x = 207,008,283.55
5. Step 5: Solve for x
   x = 207,008,283.55/16,056.10
6. Step 6: Final answer
   x = 12,892.81