Finding the Fourth Proportional to 16,770.36, 23,139.82 and 9,602.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,770.36 : 23,139.82 = 9,602.48 : x
2. Step 2: Convert to fraction form
   16,770.36/23,139.82 = 9,602.48/x
3. Step 3: Cross multiply
   16,770.36x = 23,139.82 × 9,602.48
4. Step 4: Simplify right side
   16,770.36x = 222,199,658.75
5. Step 5: Solve for x
   x = 222,199,658.75/16,770.36
6. Step 6: Final answer
   x = 13,249.55