Finding the Fourth Proportional to 11,709.73, 17,565.52 and 3,389.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,709.73 : 17,565.52 = 3,389.88 : x
2. Step 2: Convert to fraction form
   11,709.73/17,565.52 = 3,389.88/x
3. Step 3: Cross multiply
   11,709.73x = 17,565.52 × 3,389.88
4. Step 4: Simplify right side
   11,709.73x = 59,544,900.16
5. Step 5: Solve for x
   x = 59,544,900.16/11,709.73
6. Step 6: Final answer
   x = 5,085.08