Finding the Fourth Proportional to 6,992.42, 10,485.39 and 2,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,992.42 : 10,485.39 = 2,606.72 : x
2. Step 2: Convert to fraction form
   6,992.42/10,485.39 = 2,606.72/x
3. Step 3: Cross multiply
   6,992.42x = 10,485.39 × 2,606.72
4. Step 4: Simplify right side
   6,992.42x = 27,332,475.82
5. Step 5: Solve for x
   x = 27,332,475.82/6,992.42
6. Step 6: Final answer
   x = 3,908.87