Finding the Fourth Proportional to 8,493.83, 12,734.94 and 4,325.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,493.83 : 12,734.94 = 4,325.78 : x
2. Step 2: Convert to fraction form
   8,493.83/12,734.94 = 4,325.78/x
3. Step 3: Cross multiply
   8,493.83x = 12,734.94 × 4,325.78
4. Step 4: Simplify right side
   8,493.83x = 55,088,468.86
5. Step 5: Solve for x
   x = 55,088,468.86/8,493.83
6. Step 6: Final answer
   x = 6,485.70