Finding the Fourth Proportional to 2,587.94, 3,568.74 and 2,216.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.94 : 3,568.74 = 2,216.16 : x
2. Step 2: Convert to fraction form
   2,587.94/3,568.74 = 2,216.16/x
3. Step 3: Cross multiply
   2,587.94x = 3,568.74 × 2,216.16
4. Step 4: Simplify right side
   2,587.94x = 7,908,898.84
5. Step 5: Solve for x
   x = 7,908,898.84/2,587.94
6. Step 6: Final answer
   x = 3,056.06