Finding the Fourth Proportional to 10,359.27, 14,295.72 and 5,643.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,359.27 : 14,295.72 = 5,643.55 : x
2. Step 2: Convert to fraction form
   10,359.27/14,295.72 = 5,643.55/x
3. Step 3: Cross multiply
   10,359.27x = 14,295.72 × 5,643.55
4. Step 4: Simplify right side
   10,359.27x = 80,678,610.61
5. Step 5: Solve for x
   x = 80,678,610.61/10,359.27
6. Step 6: Final answer
   x = 7,788.06