Finding the Fourth Proportional to 6,866.59, 10,300.69 and 2,486.11

Step by Step Solution

1. Step 1: Write the proportion equation
   6,866.59 : 10,300.69 = 2,486.11 : x
2. Step 2: Convert to fraction form
   6,866.59/10,300.69 = 2,486.11/x
3. Step 3: Cross multiply
   6,866.59x = 10,300.69 × 2,486.11
4. Step 4: Simplify right side
   6,866.59x = 25,608,648.42
5. Step 5: Solve for x
   x = 25,608,648.42/6,866.59
6. Step 6: Final answer
   x = 3,729.46