Finding the Fourth Proportional to 2,867.80, 3,954.68 and 2,641.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,867.80 : 3,954.68 = 2,641.82 : x
2. Step 2: Convert to fraction form
   2,867.80/3,954.68 = 2,641.82/x
3. Step 3: Cross multiply
   2,867.80x = 3,954.68 × 2,641.82
4. Step 4: Simplify right side
   2,867.80x = 10,447,552.72
5. Step 5: Solve for x
   x = 10,447,552.72/2,867.80
6. Step 6: Final answer
   x = 3,643.05