Finding the Fourth Proportional to 6,996.39, 10,491.49 and 3,708.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,996.39 : 10,491.49 = 3,708.72 : x
2. Step 2: Convert to fraction form
   6,996.39/10,491.49 = 3,708.72/x
3. Step 3: Cross multiply
   6,996.39x = 10,491.49 × 3,708.72
4. Step 4: Simplify right side
   6,996.39x = 38,910,003.43
5. Step 5: Solve for x
   x = 38,910,003.43/6,996.39
6. Step 6: Final answer
   x = 5,561.44