Finding the Fourth Proportional to 6,875.69, 10,311.59 and 2,657.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,875.69 : 10,311.59 = 2,657.96 : x
2. Step 2: Convert to fraction form
   6,875.69/10,311.59 = 2,657.96/x
3. Step 3: Cross multiply
   6,875.69x = 10,311.59 × 2,657.96
4. Step 4: Simplify right side
   6,875.69x = 27,407,841.78
5. Step 5: Solve for x
   x = 27,407,841.78/6,875.69
6. Step 6: Final answer
   x = 3,986.20