Finding the Fourth Proportional to 6,938.82, 10,405.71 and 2,007.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,938.82 : 10,405.71 = 2,007.15 : x
2. Step 2: Convert to fraction form
   6,938.82/10,405.71 = 2,007.15/x
3. Step 3: Cross multiply
   6,938.82x = 10,405.71 × 2,007.15
4. Step 4: Simplify right side
   6,938.82x = 20,885,820.83
5. Step 5: Solve for x
   x = 20,885,820.83/6,938.82
6. Step 6: Final answer
   x = 3,010.00