Finding the Fourth Proportional to 10,396.55, 14,347.25 and 5,680.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,396.55 : 14,347.25 = 5,680.83 : x
2. Step 2: Convert to fraction form
   10,396.55/14,347.25 = 5,680.83/x
3. Step 3: Cross multiply
   10,396.55x = 14,347.25 × 5,680.83
4. Step 4: Simplify right side
   10,396.55x = 81,504,334.92
5. Step 5: Solve for x
   x = 81,504,334.92/10,396.55
6. Step 6: Final answer
   x = 7,839.55