Finding the Fourth Proportional to 10,142.52, 13,996.77 and 5,605.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,142.52 : 13,996.77 = 5,605.44 : x
2. Step 2: Convert to fraction form
   10,142.52/13,996.77 = 5,605.44/x
3. Step 3: Cross multiply
   10,142.52x = 13,996.77 × 5,605.44
4. Step 4: Simplify right side
   10,142.52x = 78,458,054.43
5. Step 5: Solve for x
   x = 78,458,054.43/10,142.52
6. Step 6: Final answer
   x = 7,735.56