Finding the Fourth Proportional to 14,185.59, 19,575.82 and 7,811.85

Step by Step Solution

1. Step 1: Write the proportion equation
   14,185.59 : 19,575.82 = 7,811.85 : x
2. Step 2: Convert to fraction form
   14,185.59/19,575.82 = 7,811.85/x
3. Step 3: Cross multiply
   14,185.59x = 19,575.82 × 7,811.85
4. Step 4: Simplify right side
   14,185.59x = 152,923,369.47
5. Step 5: Solve for x
   x = 152,923,369.47/14,185.59
6. Step 6: Final answer
   x = 10,780.19