Finding the Fourth Proportional to 10,359.88, 14,296.50 and 5,644.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,359.88 : 14,296.50 = 5,644.12 : x
2. Step 2: Convert to fraction form
   10,359.88/14,296.50 = 5,644.12/x
3. Step 3: Cross multiply
   10,359.88x = 14,296.50 × 5,644.12
4. Step 4: Simplify right side
   10,359.88x = 80,691,161.58
5. Step 5: Solve for x
   x = 80,691,161.58/10,359.88
6. Step 6: Final answer
   x = 7,788.81