Finding the Fourth Proportional to 14,788.98, 20,408.58 and 8,074.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,788.98 : 20,408.58 = 8,074.89 : x
2. Step 2: Convert to fraction form
   14,788.98/20,408.58 = 8,074.89/x
3. Step 3: Cross multiply
   14,788.98x = 20,408.58 × 8,074.89
4. Step 4: Simplify right side
   14,788.98x = 164,797,061.27
5. Step 5: Solve for x
   x = 164,797,061.27/14,788.98
6. Step 6: Final answer
   x = 11,143.23