Finding the Fourth Proportional to 9,175.93, 12,663.48 and 5,196.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,175.93 : 12,663.48 = 5,196.94 : x
2. Step 2: Convert to fraction form
   9,175.93/12,663.48 = 5,196.94/x
3. Step 3: Cross multiply
   9,175.93x = 12,663.48 × 5,196.94
4. Step 4: Simplify right side
   9,175.93x = 65,811,345.75
5. Step 5: Solve for x
   x = 65,811,345.75/9,175.93
6. Step 6: Final answer
   x = 7,172.17