Finding the Fourth Proportional to 16,218.48, 24,330.24 and 5,123.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,218.48 : 24,330.24 = 5,123.10 : x
2. Step 2: Convert to fraction form
   16,218.48/24,330.24 = 5,123.10/x
3. Step 3: Cross multiply
   16,218.48x = 24,330.24 × 5,123.10
4. Step 4: Simplify right side
   16,218.48x = 124,646,252.54
5. Step 5: Solve for x
   x = 124,646,252.54/16,218.48
6. Step 6: Final answer
   x = 7,685.45