Finding the Fourth Proportional to 16,313.28, 22,499.52 and 14,426.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,313.28 : 22,499.52 = 14,426.88 : x
2. Step 2: Convert to fraction form
   16,313.28/22,499.52 = 14,426.88/x
3. Step 3: Cross multiply
   16,313.28x = 22,499.52 × 14,426.88
4. Step 4: Simplify right side
   16,313.28x = 324,597,875.10
5. Step 5: Solve for x
   x = 324,597,875.10/16,313.28
6. Step 6: Final answer
   x = 19,897.77