Finding the Fourth Proportional to 8,058.30, 12,085.47 and 2,864.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,058.30 : 12,085.47 = 2,864.22 : x
2. Step 2: Convert to fraction form
   8,058.30/12,085.47 = 2,864.22/x
3. Step 3: Cross multiply
   8,058.30x = 12,085.47 × 2,864.22
4. Step 4: Simplify right side
   8,058.30x = 34,615,444.88
5. Step 5: Solve for x
   x = 34,615,444.88/8,058.30
6. Step 6: Final answer
   x = 4,295.63