Finding the Fourth Proportional to 14,488.94, 19,994.82 and 8,520.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,488.94 : 19,994.82 = 8,520.86 : x
2. Step 2: Convert to fraction form
   14,488.94/19,994.82 = 8,520.86/x
3. Step 3: Cross multiply
   14,488.94x = 19,994.82 × 8,520.86
4. Step 4: Simplify right side
   14,488.94x = 170,373,061.95
5. Step 5: Solve for x
   x = 170,373,061.95/14,488.94
6. Step 6: Final answer
   x = 11,758.84