Finding the Fourth Proportional to 31,178.48, 43,027.46 and 17,031.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,178.48 : 43,027.46 = 17,031.42 : x
2. Step 2: Convert to fraction form
   31,178.48/43,027.46 = 17,031.42/x
3. Step 3: Cross multiply
   31,178.48x = 43,027.46 × 17,031.42
4. Step 4: Simplify right side
   31,178.48x = 732,818,742.79
5. Step 5: Solve for x
   x = 732,818,742.79/31,178.48
6. Step 6: Final answer
   x = 23,503.99