Finding the Fourth Proportional to 6,477.56, 8,940.50 and 4,587.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,477.56 : 8,940.50 = 4,587.15 : x
2. Step 2: Convert to fraction form
   6,477.56/8,940.50 = 4,587.15/x
3. Step 3: Cross multiply
   6,477.56x = 8,940.50 × 4,587.15
4. Step 4: Simplify right side
   6,477.56x = 41,011,391.64
5. Step 5: Solve for x
   x = 41,011,391.64/6,477.56
6. Step 6: Final answer
   x = 6,331.31