Finding the Fourth Proportional to 23,120.52, 31,906.97 and 14,042.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,120.52 : 31,906.97 = 14,042.82 : x
2. Step 2: Convert to fraction form
   23,120.52/31,906.97 = 14,042.82/x
3. Step 3: Cross multiply
   23,120.52x = 31,906.97 × 14,042.82
4. Step 4: Simplify right side
   23,120.52x = 448,063,881.12
5. Step 5: Solve for x
   x = 448,063,881.12/23,120.52
6. Step 6: Final answer
   x = 19,379.49