Finding the Fourth Proportional to 6,800.05, 10,199.59 and 1,869.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,800.05 : 10,199.59 = 1,869.31 : x
2. Step 2: Convert to fraction form
   6,800.05/10,199.59 = 1,869.31/x
3. Step 3: Cross multiply
   6,800.05x = 10,199.59 × 1,869.31
4. Step 4: Simplify right side
   6,800.05x = 19,066,195.58
5. Step 5: Solve for x
   x = 19,066,195.58/6,800.05
6. Step 6: Final answer
   x = 2,803.83