Finding the Fourth Proportional to 10,680.83, 14,746.48 and 9,559.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,680.83 : 14,746.48 = 9,559.82 : x
2. Step 2: Convert to fraction form
   10,680.83/14,746.48 = 9,559.82/x
3. Step 3: Cross multiply
   10,680.83x = 14,746.48 × 9,559.82
4. Step 4: Simplify right side
   10,680.83x = 140,973,707.40
5. Step 5: Solve for x
   x = 140,973,707.40/10,680.83
6. Step 6: Final answer
   x = 13,198.76