Finding the Fourth Proportional to 8,389.82, 12,583.86 and 2,843.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,389.82 : 12,583.86 = 2,843.02 : x
2. Step 2: Convert to fraction form
   8,389.82/12,583.86 = 2,843.02/x
3. Step 3: Cross multiply
   8,389.82x = 12,583.86 × 2,843.02
4. Step 4: Simplify right side
   8,389.82x = 35,776,151.33
5. Step 5: Solve for x
   x = 35,776,151.33/8,389.82
6. Step 6: Final answer
   x = 4,264.23