Finding the Fourth Proportional to 16,155.28, 22,295.46 and 9,868.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,155.28 : 22,295.46 = 9,868.84 : x
2. Step 2: Convert to fraction form
   16,155.28/22,295.46 = 9,868.84/x
3. Step 3: Cross multiply
   16,155.28x = 22,295.46 × 9,868.84
4. Step 4: Simplify right side
   16,155.28x = 220,030,327.47
5. Step 5: Solve for x
   x = 220,030,327.47/16,155.28
6. Step 6: Final answer
   x = 13,619.72