Finding the Fourth Proportional to 23,017.69, 31,766.85 and 14,070.43

Step by Step Solution

1. Step 1: Write the proportion equation
   23,017.69 : 31,766.85 = 14,070.43 : x
2. Step 2: Convert to fraction form
   23,017.69/31,766.85 = 14,070.43/x
3. Step 3: Cross multiply
   23,017.69x = 31,766.85 × 14,070.43
4. Step 4: Simplify right side
   23,017.69x = 446,973,010.06
5. Step 5: Solve for x
   x = 446,973,010.06/23,017.69
6. Step 6: Final answer
   x = 19,418.68