Finding the Fourth Proportional to 2,095.25, 2,891.12 and 1,210.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.25 : 2,891.12 = 1,210.88 : x
2. Step 2: Convert to fraction form
   2,095.25/2,891.12 = 1,210.88/x
3. Step 3: Cross multiply
   2,095.25x = 2,891.12 × 1,210.88
4. Step 4: Simplify right side
   2,095.25x = 3,500,799.39
5. Step 5: Solve for x
   x = 3,500,799.39/2,095.25
6. Step 6: Final answer
   x = 1,670.83