Finding the Fourth Proportional to 10,994.42, 16,494.72 and 4,425.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,994.42 : 16,494.72 = 4,425.22 : x
2. Step 2: Convert to fraction form
   10,994.42/16,494.72 = 4,425.22/x
3. Step 3: Cross multiply
   10,994.42x = 16,494.72 × 4,425.22
4. Step 4: Simplify right side
   10,994.42x = 72,992,764.84
5. Step 5: Solve for x
   x = 72,992,764.84/10,994.42
6. Step 6: Final answer
   x = 6,639.07