Finding the Fourth Proportional to 16,459.20, 22,710.24 and 10,488.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,459.20 : 22,710.24 = 10,488.42 : x
2. Step 2: Convert to fraction form
   16,459.20/22,710.24 = 10,488.42/x
3. Step 3: Cross multiply
   16,459.20x = 22,710.24 × 10,488.42
4. Step 4: Simplify right side
   16,459.20x = 238,194,535.42
5. Step 5: Solve for x
   x = 238,194,535.42/16,459.20
6. Step 6: Final answer
   x = 14,471.82