Finding the Fourth Proportional to 6,331.78, 8,737.80 and 3,499.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,331.78 : 8,737.80 = 3,499.34 : x
2. Step 2: Convert to fraction form
   6,331.78/8,737.80 = 3,499.34/x
3. Step 3: Cross multiply
   6,331.78x = 8,737.80 × 3,499.34
4. Step 4: Simplify right side
   6,331.78x = 30,576,533.05
5. Step 5: Solve for x
   x = 30,576,533.05/6,331.78
6. Step 6: Final answer
   x = 4,829.06