Finding the Fourth Proportional to 13,196.03, 18,210.56 and 7,227.95

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.03 : 18,210.56 = 7,227.95 : x
2. Step 2: Convert to fraction form
   13,196.03/18,210.56 = 7,227.95/x
3. Step 3: Cross multiply
   13,196.03x = 18,210.56 × 7,227.95
4. Step 4: Simplify right side
   13,196.03x = 131,624,889.96
5. Step 5: Solve for x
   x = 131,624,889.96/13,196.03
6. Step 6: Final answer
   x = 9,974.59