Finding the Fourth Proportional to 5,150.98, 7,108.23 and 2,912.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,150.98 : 7,108.23 = 2,912.50 : x
2. Step 2: Convert to fraction form
   5,150.98/7,108.23 = 2,912.50/x
3. Step 3: Cross multiply
   5,150.98x = 7,108.23 × 2,912.50
4. Step 4: Simplify right side
   5,150.98x = 20,702,719.88
5. Step 5: Solve for x
   x = 20,702,719.88/5,150.98
6. Step 6: Final answer
   x = 4,019.18