Finding the Fourth Proportional to 5,150.50, 7,107.41 and 2,912.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,150.50 : 7,107.41 = 2,912.25 : x
2. Step 2: Convert to fraction form
   5,150.50/7,107.41 = 2,912.25/x
3. Step 3: Cross multiply
   5,150.50x = 7,107.41 × 2,912.25
4. Step 4: Simplify right side
   5,150.50x = 20,698,588.71
5. Step 5: Solve for x
   x = 20,698,588.71/5,150.50
6. Step 6: Final answer
   x = 4,018.75