Finding the Fourth Proportional to 8,043.86, 12,067.38 and 3,886.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,043.86 : 12,067.38 = 3,886.76 : x
2. Step 2: Convert to fraction form
   8,043.86/12,067.38 = 3,886.76/x
3. Step 3: Cross multiply
   8,043.86x = 12,067.38 × 3,886.76
4. Step 4: Simplify right side
   8,043.86x = 46,903,009.89
5. Step 5: Solve for x
   x = 46,903,009.89/8,043.86
6. Step 6: Final answer
   x = 5,830.91