Finding the Fourth Proportional to 9,372.17, 12,933.06 and 5,180.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,372.17 : 12,933.06 = 5,180.42 : x
2. Step 2: Convert to fraction form
   9,372.17/12,933.06 = 5,180.42/x
3. Step 3: Cross multiply
   9,372.17x = 12,933.06 × 5,180.42
4. Step 4: Simplify right side
   9,372.17x = 66,998,682.69
5. Step 5: Solve for x
   x = 66,998,682.69/9,372.17
6. Step 6: Final answer
   x = 7,148.68