Finding the Fourth Proportional to 14,185.33, 19,575.59 and 7,811.79

Step by Step Solution

1. Step 1: Write the proportion equation
   14,185.33 : 19,575.59 = 7,811.79 : x
2. Step 2: Convert to fraction form
   14,185.33/19,575.59 = 7,811.79/x
3. Step 3: Cross multiply
   14,185.33x = 19,575.59 × 7,811.79
4. Step 4: Simplify right side
   14,185.33x = 152,920,398.21
5. Step 5: Solve for x
   x = 152,920,398.21/14,185.33
6. Step 6: Final answer
   x = 10,780.18