Finding the Fourth Proportional to 16,510.23, 22,789.15 and 13,176

Step by Step Solution

1. Step 1: Write the proportion equation
   16,510.23 : 22,789.15 = 13,176 : x
2. Step 2: Convert to fraction form
   16,510.23/22,789.15 = 13,176/x
3. Step 3: Cross multiply
   16,510.23x = 22,789.15 × 13,176
4. Step 4: Simplify right side
   16,510.23x = 300,269,807.46
5. Step 5: Solve for x
   x = 300,269,807.46/16,510.23
6. Step 6: Final answer
   x = 18,186.89