Finding the Fourth Proportional to 9,150.01, 12,626.31 and 5,171.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.01 : 12,626.31 = 5,171.56 : x
2. Step 2: Convert to fraction form
   9,150.01/12,626.31 = 5,171.56/x
3. Step 3: Cross multiply
   9,150.01x = 12,626.31 × 5,171.56
4. Step 4: Simplify right side
   9,150.01x = 65,297,719.74
5. Step 5: Solve for x
   x = 65,297,719.74/9,150.01
6. Step 6: Final answer
   x = 7,136.36