Finding the Fourth Proportional to 8,780.32, 13,171.79 and 3,233.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,780.32 : 13,171.79 = 3,233.24 : x
2. Step 2: Convert to fraction form
   8,780.32/13,171.79 = 3,233.24/x
3. Step 3: Cross multiply
   8,780.32x = 13,171.79 × 3,233.24
4. Step 4: Simplify right side
   8,780.32x = 42,587,525.37
5. Step 5: Solve for x
   x = 42,587,525.37/8,780.32
6. Step 6: Final answer
   x = 4,850.34