Finding the Fourth Proportional to 16,753.42, 23,116.35 and 9,678.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,753.42 : 23,116.35 = 9,678.07 : x
2. Step 2: Convert to fraction form
   16,753.42/23,116.35 = 9,678.07/x
3. Step 3: Cross multiply
   16,753.42x = 23,116.35 × 9,678.07
4. Step 4: Simplify right side
   16,753.42x = 223,721,653.44
5. Step 5: Solve for x
   x = 223,721,653.44/16,753.42
6. Step 6: Final answer
   x = 13,353.79