Finding the Fourth Proportional to 16,456.50, 22,710.24 and 11,748.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456.50 : 22,710.24 = 11,748.78 : x
2. Step 2: Convert to fraction form
   16,456.50/22,710.24 = 11,748.78/x
3. Step 3: Cross multiply
   16,456.50x = 22,710.24 × 11,748.78
4. Step 4: Simplify right side
   16,456.50x = 266,817,613.51
5. Step 5: Solve for x
   x = 266,817,613.51/16,456.50
6. Step 6: Final answer
   x = 16,213.51