Finding the Fourth Proportional to 12,452.50, 17,184.72 and 6,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,452.50 : 17,184.72 = 6,863.50 : x
2. Step 2: Convert to fraction form
   12,452.50/17,184.72 = 6,863.50/x
3. Step 3: Cross multiply
   12,452.50x = 17,184.72 × 6,863.50
4. Step 4: Simplify right side
   12,452.50x = 117,947,325.72
5. Step 5: Solve for x
   x = 117,947,325.72/12,452.50
6. Step 6: Final answer
   x = 9,471.78