Finding the Fourth Proportional to 10,359.83, 14,296.43 and 5,644.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,359.83 : 14,296.43 = 5,644.11 : x
2. Step 2: Convert to fraction form
   10,359.83/14,296.43 = 5,644.11/x
3. Step 3: Cross multiply
   10,359.83x = 14,296.43 × 5,644.11
4. Step 4: Simplify right side
   10,359.83x = 80,690,595.31
5. Step 5: Solve for x
   x = 80,690,595.31/10,359.83
6. Step 6: Final answer
   x = 7,788.80