Finding the Fourth Proportional to 9,171.33, 12,655.22 and 5,192.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,171.33 : 12,655.22 = 5,192.34 : x
2. Step 2: Convert to fraction form
   9,171.33/12,655.22 = 5,192.34/x
3. Step 3: Cross multiply
   9,171.33x = 12,655.22 × 5,192.34
4. Step 4: Simplify right side
   9,171.33x = 65,710,179.05
5. Step 5: Solve for x
   x = 65,710,179.05/9,171.33
6. Step 6: Final answer
   x = 7,164.74