Finding the Fourth Proportional to 2,095.14, 2,891.28 and 1,210.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.14 : 2,891.28 = 1,210.86 : x
2. Step 2: Convert to fraction form
   2,095.14/2,891.28 = 1,210.86/x
3. Step 3: Cross multiply
   2,095.14x = 2,891.28 × 1,210.86
4. Step 4: Simplify right side
   2,095.14x = 3,500,935.30
5. Step 5: Solve for x
   x = 3,500,935.30/2,095.14
6. Step 6: Final answer
   x = 1,670.98