Finding the Fourth Proportional to 13,267.62, 19,903.83 and 5,472.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,267.62 : 19,903.83 = 5,472.18 : x
2. Step 2: Convert to fraction form
   13,267.62/19,903.83 = 5,472.18/x
3. Step 3: Cross multiply
   13,267.62x = 19,903.83 × 5,472.18
4. Step 4: Simplify right side
   13,267.62x = 108,917,340.45
5. Step 5: Solve for x
   x = 108,917,340.45/13,267.62
6. Step 6: Final answer
   x = 8,209.26