Finding the Fourth Proportional to 21,067.98, 29,085.48 and 14,363.45

Step by Step Solution

1. Step 1: Write the proportion equation
   21,067.98 : 29,085.48 = 14,363.45 : x
2. Step 2: Convert to fraction form
   21,067.98/29,085.48 = 14,363.45/x
3. Step 3: Cross multiply
   21,067.98x = 29,085.48 × 14,363.45
4. Step 4: Simplify right side
   21,067.98x = 417,767,837.71
5. Step 5: Solve for x
   x = 417,767,837.71/21,067.98
6. Step 6: Final answer
   x = 19,829.52