Finding the Fourth Proportional to 8,565.82, 12,848.78 and 2,642.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,565.82 : 12,848.78 = 2,642.62 : x
2. Step 2: Convert to fraction form
   8,565.82/12,848.78 = 2,642.62/x
3. Step 3: Cross multiply
   8,565.82x = 12,848.78 × 2,642.62
4. Step 4: Simplify right side
   8,565.82x = 33,954,443.00
5. Step 5: Solve for x
   x = 33,954,443.00/8,565.82
6. Step 6: Final answer
   x = 3,963.95