Finding the Fourth Proportional to 10,143.52, 13,998.15 and 5,606.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,143.52 : 13,998.15 = 5,606.44 : x
2. Step 2: Convert to fraction form
   10,143.52/13,998.15 = 5,606.44/x
3. Step 3: Cross multiply
   10,143.52x = 13,998.15 × 5,606.44
4. Step 4: Simplify right side
   10,143.52x = 78,479,788.09
5. Step 5: Solve for x
   x = 78,479,788.09/10,143.52
6. Step 6: Final answer
   x = 7,736.94