Finding the Fourth Proportional to 8,763.67, 13,147.59 and 2,840.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,763.67 : 13,147.59 = 2,840.56 : x
2. Step 2: Convert to fraction form
   8,763.67/13,147.59 = 2,840.56/x
3. Step 3: Cross multiply
   8,763.67x = 13,147.59 × 2,840.56
4. Step 4: Simplify right side
   8,763.67x = 37,346,496.03
5. Step 5: Solve for x
   x = 37,346,496.03/8,763.67
6. Step 6: Final answer
   x = 4,261.51