Finding the Fourth Proportional to 111,002.40, 166,514.54 and 40,865.31

Step by Step Solution

1. Step 1: Write the proportion equation
   111,002.40 : 166,514.54 = 40,865.31 : x
2. Step 2: Convert to fraction form
   111,002.40/166,514.54 = 40,865.31/x
3. Step 3: Cross multiply
   111,002.40x = 166,514.54 × 40,865.31
4. Step 4: Simplify right side
   111,002.40x = 6,804,668,092.28
5. Step 5: Solve for x
   x = 6,804,668,092.28/111,002.40
6. Step 6: Final answer
   x = 61,301.99