Finding the Fourth Proportional to 11,256.14, 16,874.73 and 5,329.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,256.14 : 16,874.73 = 5,329.59 : x
2. Step 2: Convert to fraction form
   11,256.14/16,874.73 = 5,329.59/x
3. Step 3: Cross multiply
   11,256.14x = 16,874.73 × 5,329.59
4. Step 4: Simplify right side
   11,256.14x = 89,935,392.26
5. Step 5: Solve for x
   x = 89,935,392.26/11,256.14
6. Step 6: Final answer
   x = 7,989.90