Finding the Fourth Proportional to 9,162.43, 12,642.80 and 5,183.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,162.43 : 12,642.80 = 5,183.46 : x
2. Step 2: Convert to fraction form
   9,162.43/12,642.80 = 5,183.46/x
3. Step 3: Cross multiply
   9,162.43x = 12,642.80 × 5,183.46
4. Step 4: Simplify right side
   9,162.43x = 65,533,422.17
5. Step 5: Solve for x
   x = 65,533,422.17/9,162.43
6. Step 6: Final answer
   x = 7,152.41