Finding the Fourth Proportional to 11,710.86, 16,142.31 and 10,745.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,710.86 : 16,142.31 = 10,745.58 : x
2. Step 2: Convert to fraction form
   11,710.86/16,142.31 = 10,745.58/x
3. Step 3: Cross multiply
   11,710.86x = 16,142.31 × 10,745.58
4. Step 4: Simplify right side
   11,710.86x = 173,458,483.49
5. Step 5: Solve for x
   x = 173,458,483.49/11,710.86
6. Step 6: Final answer
   x = 14,811.76