Finding the Fourth Proportional to 11,789.92, 17,687.88 and 3,470.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,789.92 : 17,687.88 = 3,470.24 : x
2. Step 2: Convert to fraction form
   11,789.92/17,687.88 = 3,470.24/x
3. Step 3: Cross multiply
   11,789.92x = 17,687.88 × 3,470.24
4. Step 4: Simplify right side
   11,789.92x = 61,381,188.69
5. Step 5: Solve for x
   x = 61,381,188.69/11,789.92
6. Step 6: Final answer
   x = 5,206.24