Finding the Fourth Proportional to 111,020.40, 166,541.10 and 31,058.37

Step by Step Solution

1. Step 1: Write the proportion equation
   111,020.40 : 166,541.10 = 31,058.37 : x
2. Step 2: Convert to fraction form
   111,020.40/166,541.10 = 31,058.37/x
3. Step 3: Cross multiply
   111,020.40x = 166,541.10 × 31,058.37
4. Step 4: Simplify right side
   111,020.40x = 5,172,495,104.01
5. Step 5: Solve for x
   x = 5,172,495,104.01/111,020.40
6. Step 6: Final answer
   x = 46,590.49