Finding the Fourth Proportional to 8,533.98, 11,766.24 and 7,119.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,533.98 : 11,766.24 = 7,119.72 : x
2. Step 2: Convert to fraction form
   8,533.98/11,766.24 = 7,119.72/x
3. Step 3: Cross multiply
   8,533.98x = 11,766.24 × 7,119.72
4. Step 4: Simplify right side
   8,533.98x = 83,772,334.25
5. Step 5: Solve for x
   x = 83,772,334.25/8,533.98
6. Step 6: Final answer
   x = 9,816.33