Finding the Fourth Proportional to 5,108.76, 7,050.71 and 2,870.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,108.76 : 7,050.71 = 2,870.73 : x
2. Step 2: Convert to fraction form
   5,108.76/7,050.71 = 2,870.73/x
3. Step 3: Cross multiply
   5,108.76x = 7,050.71 × 2,870.73
4. Step 4: Simplify right side
   5,108.76x = 20,240,691.90
5. Step 5: Solve for x
   x = 20,240,691.90/5,108.76
6. Step 6: Final answer
   x = 3,961.96