Finding the Fourth Proportional to 2,050.10, 2,828.78 and 1,210.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.10 : 2,828.78 = 1,210.74 : x
2. Step 2: Convert to fraction form
   2,050.10/2,828.78 = 1,210.74/x
3. Step 3: Cross multiply
   2,050.10x = 2,828.78 × 1,210.74
4. Step 4: Simplify right side
   2,050.10x = 3,424,917.10
5. Step 5: Solve for x
   x = 3,424,917.10/2,050.10
6. Step 6: Final answer
   x = 1,670.61