Finding the Fourth Proportional to 6,439.74, 9,662.85 and 3,844.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,439.74 : 9,662.85 = 3,844.50 : x
2. Step 2: Convert to fraction form
   6,439.74/9,662.85 = 3,844.50/x
3. Step 3: Cross multiply
   6,439.74x = 9,662.85 × 3,844.50
4. Step 4: Simplify right side
   6,439.74x = 37,148,826.83
5. Step 5: Solve for x
   x = 37,148,826.83/6,439.74
6. Step 6: Final answer
   x = 5,768.68