Finding the Fourth Proportional to 11,939.82, 16,476.62 and 6,634.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,939.82 : 16,476.62 = 6,634.50 : x
2. Step 2: Convert to fraction form
   11,939.82/16,476.62 = 6,634.50/x
3. Step 3: Cross multiply
   11,939.82x = 16,476.62 × 6,634.50
4. Step 4: Simplify right side
   11,939.82x = 109,314,065.31
5. Step 5: Solve for x
   x = 109,314,065.31/11,939.82
6. Step 6: Final answer
   x = 9,155.42