Finding the Fourth Proportional to 16,670.24, 23,003.79 and 9,499.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,670.24 : 23,003.79 = 9,499.28 : x
2. Step 2: Convert to fraction form
   16,670.24/23,003.79 = 9,499.28/x
3. Step 3: Cross multiply
   16,670.24x = 23,003.79 × 9,499.28
4. Step 4: Simplify right side
   16,670.24x = 218,519,442.27
5. Step 5: Solve for x
   x = 218,519,442.27/16,670.24
6. Step 6: Final answer
   x = 13,108.36