Finding the Fourth Proportional to 11,173.76, 16,764.29 and 5,329.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,173.76 : 16,764.29 = 5,329.61 : x
2. Step 2: Convert to fraction form
   11,173.76/16,764.29 = 5,329.61/x
3. Step 3: Cross multiply
   11,173.76x = 16,764.29 × 5,329.61
4. Step 4: Simplify right side
   11,173.76x = 89,347,100.01
5. Step 5: Solve for x
   x = 89,347,100.01/11,173.76
6. Step 6: Final answer
   x = 7,996.15