Finding the Fourth Proportional to 31,506.50, 43,477.57 and 17,166.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,506.50 : 43,477.57 = 17,166.38 : x
2. Step 2: Convert to fraction form
   31,506.50/43,477.57 = 17,166.38/x
3. Step 3: Cross multiply
   31,506.50x = 43,477.57 × 17,166.38
4. Step 4: Simplify right side
   31,506.50x = 746,352,488.10
5. Step 5: Solve for x
   x = 746,352,488.10/31,506.50
6. Step 6: Final answer
   x = 23,688.84