Finding the Fourth Proportional to 21,418.82, 32,058.33 and 19,372.76

Step by Step Solution

1. Step 1: Write the proportion equation
   21,418.82 : 32,058.33 = 19,372.76 : x
2. Step 2: Convert to fraction form
   21,418.82/32,058.33 = 19,372.76/x
3. Step 3: Cross multiply
   21,418.82x = 32,058.33 × 19,372.76
4. Step 4: Simplify right side
   21,418.82x = 621,058,333.09
5. Step 5: Solve for x
   x = 621,058,333.09/21,418.82
6. Step 6: Final answer
   x = 28,995.92