Finding the Fourth Proportional to 9,175.56, 12,663.09 and 5,196.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,175.56 : 12,663.09 = 5,196.93 : x
2. Step 2: Convert to fraction form
   9,175.56/12,663.09 = 5,196.93/x
3. Step 3: Cross multiply
   9,175.56x = 12,663.09 × 5,196.93
4. Step 4: Simplify right side
   9,175.56x = 65,809,192.31
5. Step 5: Solve for x
   x = 65,809,192.31/9,175.56
6. Step 6: Final answer
   x = 7,172.23