Finding the Fourth Proportional to 6,994.42, 10,488.39 and 2,608.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,994.42 : 10,488.39 = 2,608.72 : x
2. Step 2: Convert to fraction form
   6,994.42/10,488.39 = 2,608.72/x
3. Step 3: Cross multiply
   6,994.42x = 10,488.39 × 2,608.72
4. Step 4: Simplify right side
   6,994.42x = 27,361,272.76
5. Step 5: Solve for x
   x = 27,361,272.76/6,994.42
6. Step 6: Final answer
   x = 3,911.87