Finding the Fourth Proportional to 6,474.86, 9,717.59 and 3,355.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,474.86 : 9,717.59 = 3,355.80 : x
2. Step 2: Convert to fraction form
   6,474.86/9,717.59 = 3,355.80/x
3. Step 3: Cross multiply
   6,474.86x = 9,717.59 × 3,355.80
4. Step 4: Simplify right side
   6,474.86x = 32,610,288.52
5. Step 5: Solve for x
   x = 32,610,288.52/6,474.86
6. Step 6: Final answer
   x = 5,036.45