Finding the Fourth Proportional to 6,439.74, 8,885.82 and 3,607.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,439.74 : 8,885.82 = 3,607.24 : x
2. Step 2: Convert to fraction form
   6,439.74/8,885.82 = 3,607.24/x
3. Step 3: Cross multiply
   6,439.74x = 8,885.82 × 3,607.24
4. Step 4: Simplify right side
   6,439.74x = 32,053,267.30
5. Step 5: Solve for x
   x = 32,053,267.30/6,439.74
6. Step 6: Final answer
   x = 4,977.42