Finding the Fourth Proportional to 5,150.51, 7,108.76 and 2,912.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,150.51 : 7,108.76 = 2,912.48 : x
2. Step 2: Convert to fraction form
   5,150.51/7,108.76 = 2,912.48/x
3. Step 3: Cross multiply
   5,150.51x = 7,108.76 × 2,912.48
4. Step 4: Simplify right side
   5,150.51x = 20,704,121.32
5. Step 5: Solve for x
   x = 20,704,121.32/5,150.51
6. Step 6: Final answer
   x = 4,019.82