Finding the Fourth Proportional to 11,171.69, 16,761.42 and 7,006.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,171.69 : 16,761.42 = 7,006.76 : x
2. Step 2: Convert to fraction form
   11,171.69/16,761.42 = 7,006.76/x
3. Step 3: Cross multiply
   11,171.69x = 16,761.42 × 7,006.76
4. Step 4: Simplify right side
   11,171.69x = 117,443,289.10
5. Step 5: Solve for x
   x = 117,443,289.10/11,171.69
6. Step 6: Final answer
   x = 10,512.59