Finding the Fourth Proportional to 8,784.99, 13,173.84 and 3,238.65

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.99 : 13,173.84 = 3,238.65 : x
2. Step 2: Convert to fraction form
   8,784.99/13,173.84 = 3,238.65/x
3. Step 3: Cross multiply
   8,784.99x = 13,173.84 × 3,238.65
4. Step 4: Simplify right side
   8,784.99x = 42,665,456.92
5. Step 5: Solve for x
   x = 42,665,456.92/8,784.99
6. Step 6: Final answer
   x = 4,856.63