Finding the Fourth Proportional to 10,640.80, 14,684.33 and 5,860.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,640.80 : 14,684.33 = 5,860.63 : x
2. Step 2: Convert to fraction form
   10,640.80/14,684.33 = 5,860.63/x
3. Step 3: Cross multiply
   10,640.80x = 14,684.33 × 5,860.63
4. Step 4: Simplify right side
   10,640.80x = 86,059,322.20
5. Step 5: Solve for x
   x = 86,059,322.20/10,640.80
6. Step 6: Final answer
   x = 8,087.68