Finding the Fourth Proportional to 42,028.72, 63,044.52 and 14,326

Step by Step Solution

1. Step 1: Write the proportion equation
   42,028.72 : 63,044.52 = 14,326 : x
2. Step 2: Convert to fraction form
   42,028.72/63,044.52 = 14,326/x
3. Step 3: Cross multiply
   42,028.72x = 63,044.52 × 14,326
4. Step 4: Simplify right side
   42,028.72x = 903,175,793.52
5. Step 5: Solve for x
   x = 903,175,793.52/42,028.72
6. Step 6: Final answer
   x = 21,489.49