Finding the Fourth Proportional to 6,993.72, 9,651.33 and 3,849.90

Step by Step Solution

1. Step 1: Write the proportion equation
   6,993.72 : 9,651.33 = 3,849.90 : x
2. Step 2: Convert to fraction form
   6,993.72/9,651.33 = 3,849.90/x
3. Step 3: Cross multiply
   6,993.72x = 9,651.33 × 3,849.90
4. Step 4: Simplify right side
   6,993.72x = 37,156,655.37
5. Step 5: Solve for x
   x = 37,156,655.37/6,993.72
6. Step 6: Final answer
   x = 5,312.86