Finding the Fourth Proportional to 6,354.72, 8,766.56 and 4,117.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,354.72 : 8,766.56 = 4,117.34 : x
2. Step 2: Convert to fraction form
   6,354.72/8,766.56 = 4,117.34/x
3. Step 3: Cross multiply
   6,354.72x = 8,766.56 × 4,117.34
4. Step 4: Simplify right side
   6,354.72x = 36,094,908.15
5. Step 5: Solve for x
   x = 36,094,908.15/6,354.72
6. Step 6: Final answer
   x = 5,680.02