Finding the Fourth Proportional to 12,452.50, 17,184.45 and 7,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,452.50 : 17,184.45 = 7,484.50 : x
2. Step 2: Convert to fraction form
   12,452.50/17,184.45 = 7,484.50/x
3. Step 3: Cross multiply
   12,452.50x = 17,184.45 × 7,484.50
4. Step 4: Simplify right side
   12,452.50x = 128,617,016.03
5. Step 5: Solve for x
   x = 128,617,016.03/12,452.50
6. Step 6: Final answer
   x = 10,328.61