Finding the Fourth Proportional to 2,049.89, 2,828.16 and 1,210.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.89 : 2,828.16 = 1,210.86 : x
2. Step 2: Convert to fraction form
   2,049.89/2,828.16 = 1,210.86/x
3. Step 3: Cross multiply
   2,049.89x = 2,828.16 × 1,210.86
4. Step 4: Simplify right side
   2,049.89x = 3,424,505.82
5. Step 5: Solve for x
   x = 3,424,505.82/2,049.89
6. Step 6: Final answer
   x = 1,670.58