Finding the Fourth Proportional to 16,700.24, 23,051.40 and 9,631.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,700.24 : 23,051.40 = 9,631.28 : x
2. Step 2: Convert to fraction form
   16,700.24/23,051.40 = 9,631.28/x
3. Step 3: Cross multiply
   16,700.24x = 23,051.40 × 9,631.28
4. Step 4: Simplify right side
   16,700.24x = 222,014,487.79
5. Step 5: Solve for x
   x = 222,014,487.79/16,700.24
6. Step 6: Final answer
   x = 13,294.09