Finding the Fourth Proportional to 2,049.77, 2,828.54 and 1,210.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.77 : 2,828.54 = 1,210.43 : x
2. Step 2: Convert to fraction form
   2,049.77/2,828.54 = 1,210.43/x
3. Step 3: Cross multiply
   2,049.77x = 2,828.54 × 1,210.43
4. Step 4: Simplify right side
   2,049.77x = 3,423,749.67
5. Step 5: Solve for x
   x = 3,423,749.67/2,049.77
6. Step 6: Final answer
   x = 1,670.31