Finding the Fourth Proportional to 16,151.32, 22,270.80 and 10,478.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,151.32 : 22,270.80 = 10,478.56 : x
2. Step 2: Convert to fraction form
   16,151.32/22,270.80 = 10,478.56/x
3. Step 3: Cross multiply
   16,151.32x = 22,270.80 × 10,478.56
4. Step 4: Simplify right side
   16,151.32x = 233,365,914.05
5. Step 5: Solve for x
   x = 233,365,914.05/16,151.32
6. Step 6: Final answer
   x = 14,448.72