Finding the Fourth Proportional to 10,745.32, 16,042.77 and 10,086.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,745.32 : 16,042.77 = 10,086.12 : x
2. Step 2: Convert to fraction form
   10,745.32/16,042.77 = 10,086.12/x
3. Step 3: Cross multiply
   10,745.32x = 16,042.77 × 10,086.12
4. Step 4: Simplify right side
   10,745.32x = 161,809,303.35
5. Step 5: Solve for x
   x = 161,809,303.35/10,745.32
6. Step 6: Final answer
   x = 15,058.58