Finding the Fourth Proportional to 6,355.80, 8,769.71 and 4,117.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,355.80 : 8,769.71 = 4,117.37 : x
2. Step 2: Convert to fraction form
   6,355.80/8,769.71 = 4,117.37/x
3. Step 3: Cross multiply
   6,355.80x = 8,769.71 × 4,117.37
4. Step 4: Simplify right side
   6,355.80x = 36,108,076.43
5. Step 5: Solve for x
   x = 36,108,076.43/6,355.80
6. Step 6: Final answer
   x = 5,681.12