Finding the Fourth Proportional to 5,150.86, 7,106.50 and 2,912.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,150.86 : 7,106.50 = 2,912.51 : x
2. Step 2: Convert to fraction form
   5,150.86/7,106.50 = 2,912.51/x
3. Step 3: Cross multiply
   5,150.86x = 7,106.50 × 2,912.51
4. Step 4: Simplify right side
   5,150.86x = 20,697,752.32
5. Step 5: Solve for x
   x = 20,697,752.32/5,150.86
6. Step 6: Final answer
   x = 4,018.31