Finding the Fourth Proportional to 31,167.63, 43,011.18 and 17,020.49

Step by Step Solution

1. Step 1: Write the proportion equation
   31,167.63 : 43,011.18 = 17,020.49 : x
2. Step 2: Convert to fraction form
   31,167.63/43,011.18 = 17,020.49/x
3. Step 3: Cross multiply
   31,167.63x = 43,011.18 × 17,020.49
4. Step 4: Simplify right side
   31,167.63x = 732,071,144.02
5. Step 5: Solve for x
   x = 732,071,144.02/31,167.63
6. Step 6: Final answer
   x = 23,488.19