Finding the Fourth Proportional to 6,665.98, 9,192.42 and 5,173.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,665.98 : 9,192.42 = 5,173.34 : x
2. Step 2: Convert to fraction form
   6,665.98/9,192.42 = 5,173.34/x
3. Step 3: Cross multiply
   6,665.98x = 9,192.42 × 5,173.34
4. Step 4: Simplify right side
   6,665.98x = 47,555,514.08
5. Step 5: Solve for x
   x = 47,555,514.08/6,665.98
6. Step 6: Final answer
   x = 7,134.06