Finding the Fourth Proportional to 5,150.18, 7,107.32 and 2,912.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,150.18 : 7,107.32 = 2,912.08 : x
2. Step 2: Convert to fraction form
   5,150.18/7,107.32 = 2,912.08/x
3. Step 3: Cross multiply
   5,150.18x = 7,107.32 × 2,912.08
4. Step 4: Simplify right side
   5,150.18x = 20,697,084.43
5. Step 5: Solve for x
   x = 20,697,084.43/5,150.18
6. Step 6: Final answer
   x = 4,018.71