Finding the Fourth Proportional to 10,359.33, 14,295.73 and 5,643.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,359.33 : 14,295.73 = 5,643.61 : x
2. Step 2: Convert to fraction form
   10,359.33/14,295.73 = 5,643.61/x
3. Step 3: Cross multiply
   10,359.33x = 14,295.73 × 5,643.61
4. Step 4: Simplify right side
   10,359.33x = 80,679,524.79
5. Step 5: Solve for x
   x = 80,679,524.79/10,359.33
6. Step 6: Final answer
   x = 7,788.10