Finding the Fourth Proportional to 8,783.91, 13,179.69 and 3,235.95

Step by Step Solution

1. Step 1: Write the proportion equation
   8,783.91 : 13,179.69 = 3,235.95 : x
2. Step 2: Convert to fraction form
   8,783.91/13,179.69 = 3,235.95/x
3. Step 3: Cross multiply
   8,783.91x = 13,179.69 × 3,235.95
4. Step 4: Simplify right side
   8,783.91x = 42,648,817.86
5. Step 5: Solve for x
   x = 42,648,817.86/8,783.91
6. Step 6: Final answer
   x = 4,855.33