Finding the Fourth Proportional to 11,173.47, 16,734.69 and 5,334.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,173.47 : 16,734.69 = 5,334.18 : x
2. Step 2: Convert to fraction form
   11,173.47/16,734.69 = 5,334.18/x
3. Step 3: Cross multiply
   11,173.47x = 16,734.69 × 5,334.18
4. Step 4: Simplify right side
   11,173.47x = 89,265,848.70
5. Step 5: Solve for x
   x = 89,265,848.70/11,173.47
6. Step 6: Final answer
   x = 7,989.09