Finding the Fourth Proportional to 13,196.03, 18,209.69 and 7,227.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.03 : 18,209.69 = 7,227.34 : x
2. Step 2: Convert to fraction form
   13,196.03/18,209.69 = 7,227.34/x
3. Step 3: Cross multiply
   13,196.03x = 18,209.69 × 7,227.34
4. Step 4: Simplify right side
   13,196.03x = 131,607,607.02
5. Step 5: Solve for x
   x = 131,607,607.02/13,196.03
6. Step 6: Final answer
   x = 9,973.28