Finding the Fourth Proportional to 31,291.19, 43,182.06 and 17,144.54

Step by Step Solution

1. Step 1: Write the proportion equation
   31,291.19 : 43,182.06 = 17,144.54 : x
2. Step 2: Convert to fraction form
   31,291.19/43,182.06 = 17,144.54/x
3. Step 3: Cross multiply
   31,291.19x = 43,182.06 × 17,144.54
4. Step 4: Simplify right side
   31,291.19x = 740,336,662.91
5. Step 5: Solve for x
   x = 740,336,662.91/31,291.19
6. Step 6: Final answer
   x = 23,659.59