Finding the Fourth Proportional to 3,924.32, 5,415.46 and 2,245.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,924.32 : 5,415.46 = 2,245.82 : x
2. Step 2: Convert to fraction form
   3,924.32/5,415.46 = 2,245.82/x
3. Step 3: Cross multiply
   3,924.32x = 5,415.46 × 2,245.82
4. Step 4: Simplify right side
   3,924.32x = 12,162,148.38
5. Step 5: Solve for x
   x = 12,162,148.38/3,924.32
6. Step 6: Final answer
   x = 3,099.17