Finding the Fourth Proportional to 11,938.78, 16,475.57 and 6,633.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,938.78 : 16,475.57 = 6,633.82 : x
2. Step 2: Convert to fraction form
   11,938.78/16,475.57 = 6,633.82/x
3. Step 3: Cross multiply
   11,938.78x = 16,475.57 × 6,633.82
4. Step 4: Simplify right side
   11,938.78x = 109,295,965.78
5. Step 5: Solve for x
   x = 109,295,965.78/11,938.78
6. Step 6: Final answer
   x = 9,154.70