Finding the Fourth Proportional to 11,578.05, 17,364.34 and 5,334.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,578.05 : 17,364.34 = 5,334.16 : x
2. Step 2: Convert to fraction form
   11,578.05/17,364.34 = 5,334.16/x
3. Step 3: Cross multiply
   11,578.05x = 17,364.34 × 5,334.16
4. Step 4: Simplify right side
   11,578.05x = 92,624,167.85
5. Step 5: Solve for x
   x = 92,624,167.85/11,578.05
6. Step 6: Final answer
   x = 7,999.98