Finding the Fourth Proportional to 12,399.12, 18,597.06 and 5,472

Step by Step Solution

1. Step 1: Write the proportion equation
   12,399.12 : 18,597.06 = 5,472 : x
2. Step 2: Convert to fraction form
   12,399.12/18,597.06 = 5,472/x
3. Step 3: Cross multiply
   12,399.12x = 18,597.06 × 5,472
4. Step 4: Simplify right side
   12,399.12x = 101,763,112.32
5. Step 5: Solve for x
   x = 101,763,112.32/12,399.12
6. Step 6: Final answer
   x = 8,207.29