Finding the Fourth Proportional to 16,210.45, 24,318.24 and 5,115.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,210.45 : 24,318.24 = 5,115.07 : x
2. Step 2: Convert to fraction form
   16,210.45/24,318.24 = 5,115.07/x
3. Step 3: Cross multiply
   16,210.45x = 24,318.24 × 5,115.07
4. Step 4: Simplify right side
   16,210.45x = 124,389,499.88
5. Step 5: Solve for x
   x = 124,389,499.88/16,210.45
6. Step 6: Final answer
   x = 7,673.41