Finding the Fourth Proportional to 13,185.52, 19,778.49 and 4,300.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,185.52 : 19,778.49 = 4,300.82 : x
2. Step 2: Convert to fraction form
   13,185.52/19,778.49 = 4,300.82/x
3. Step 3: Cross multiply
   13,185.52x = 19,778.49 × 4,300.82
4. Step 4: Simplify right side
   13,185.52x = 85,063,615.72
5. Step 5: Solve for x
   x = 85,063,615.72/13,185.52
6. Step 6: Final answer
   x = 6,451.29