Finding the Fourth Proportional to 12,632.82, 18,952.29 and 8,942.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,632.82 : 18,952.29 = 8,942.28 : x
2. Step 2: Convert to fraction form
   12,632.82/18,952.29 = 8,942.28/x
3. Step 3: Cross multiply
   12,632.82x = 18,952.29 × 8,942.28
4. Step 4: Simplify right side
   12,632.82x = 169,476,683.82
5. Step 5: Solve for x
   x = 169,476,683.82/12,632.82
6. Step 6: Final answer
   x = 13,415.59