Finding the Fourth Proportional to 7,150.67, 9,863.42 and 5,164.14

Step by Step Solution

1. Step 1: Write the proportion equation
   7,150.67 : 9,863.42 = 5,164.14 : x
2. Step 2: Convert to fraction form
   7,150.67/9,863.42 = 5,164.14/x
3. Step 3: Cross multiply
   7,150.67x = 9,863.42 × 5,164.14
4. Step 4: Simplify right side
   7,150.67x = 50,936,055.94
5. Step 5: Solve for x
   x = 50,936,055.94/7,150.67
6. Step 6: Final answer
   x = 7,123.26