Finding the Fourth Proportional to 2,867.10, 4,297.86 and 1,224.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,867.10 : 4,297.86 = 1,224.06 : x
2. Step 2: Convert to fraction form
   2,867.10/4,297.86 = 1,224.06/x
3. Step 3: Cross multiply
   2,867.10x = 4,297.86 × 1,224.06
4. Step 4: Simplify right side
   2,867.10x = 5,260,838.51
5. Step 5: Solve for x
   x = 5,260,838.51/2,867.10
6. Step 6: Final answer
   x = 1,834.90