Finding the Fourth Proportional to 2,087.64, 2,874.39 and 1,772.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.64 : 2,874.39 = 1,772.25 : x
2. Step 2: Convert to fraction form
   2,087.64/2,874.39 = 1,772.25/x
3. Step 3: Cross multiply
   2,087.64x = 2,874.39 × 1,772.25
4. Step 4: Simplify right side
   2,087.64x = 5,094,120.25
5. Step 5: Solve for x
   x = 5,094,120.25/2,087.64
6. Step 6: Final answer
   x = 2,440.13