Finding the Fourth Proportional to 11,708.50, 17,565.18 and 4,783

Step by Step Solution

1. Step 1: Write the proportion equation
   11,708.50 : 17,565.18 = 4,783 : x
2. Step 2: Convert to fraction form
   11,708.50/17,565.18 = 4,783/x
3. Step 3: Cross multiply
   11,708.50x = 17,565.18 × 4,783
4. Step 4: Simplify right side
   11,708.50x = 84,014,255.94
5. Step 5: Solve for x
   x = 84,014,255.94/11,708.50
6. Step 6: Final answer
   x = 7,175.49