Finding the Fourth Proportional to 19,582.98, 29,411.54 and 12,238.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,582.98 : 29,411.54 = 12,238.98 : x
2. Step 2: Convert to fraction form
   19,582.98/29,411.54 = 12,238.98/x
3. Step 3: Cross multiply
   19,582.98x = 29,411.54 × 12,238.98
4. Step 4: Simplify right side
   19,582.98x = 359,967,249.83
5. Step 5: Solve for x
   x = 359,967,249.83/19,582.98
6. Step 6: Final answer
   x = 18,381.64