Finding the Fourth Proportional to 9,196.50, 12,687.23 and 7,199.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.50 : 12,687.23 = 7,199.04 : x
2. Step 2: Convert to fraction form
   9,196.50/12,687.23 = 7,199.04/x
3. Step 3: Cross multiply
   9,196.50x = 12,687.23 × 7,199.04
4. Step 4: Simplify right side
   9,196.50x = 91,335,876.26
5. Step 5: Solve for x
   x = 91,335,876.26/9,196.50
6. Step 6: Final answer
   x = 9,931.59