Finding the Fourth Proportional to 13,196.52, 18,210.42 and 7,227

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.52 : 18,210.42 = 7,227 : x
2. Step 2: Convert to fraction form
   13,196.52/18,210.42 = 7,227/x
3. Step 3: Cross multiply
   13,196.52x = 18,210.42 × 7,227
4. Step 4: Simplify right side
   13,196.52x = 131,606,705.34
5. Step 5: Solve for x
   x = 131,606,705.34/13,196.52
6. Step 6: Final answer
   x = 9,972.83