Finding the Fourth Proportional to 31,116.73, 42,941.27 and 16,969.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,116.73 : 42,941.27 = 16,969.27 : x
2. Step 2: Convert to fraction form
   31,116.73/42,941.27 = 16,969.27/x
3. Step 3: Cross multiply
   31,116.73x = 42,941.27 × 16,969.27
4. Step 4: Simplify right side
   31,116.73x = 728,682,004.77
5. Step 5: Solve for x
   x = 728,682,004.77/31,116.73
6. Step 6: Final answer
   x = 23,417.69