Finding the Fourth Proportional to 12,410.16, 18,584.52 and 7,200.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,410.16 : 18,584.52 = 7,200.24 : x
2. Step 2: Convert to fraction form
   12,410.16/18,584.52 = 7,200.24/x
3. Step 3: Cross multiply
   12,410.16x = 18,584.52 × 7,200.24
4. Step 4: Simplify right side
   12,410.16x = 133,813,004.28
5. Step 5: Solve for x
   x = 133,813,004.28/12,410.16
6. Step 6: Final answer
   x = 10,782.54