Finding the Fourth Proportional to 2,210.83, 3,050.92 and 1,216.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.83 : 3,050.92 = 1,216.12 : x
2. Step 2: Convert to fraction form
   2,210.83/3,050.92 = 1,216.12/x
3. Step 3: Cross multiply
   2,210.83x = 3,050.92 × 1,216.12
4. Step 4: Simplify right side
   2,210.83x = 3,710,284.83
5. Step 5: Solve for x
   x = 3,710,284.83/2,210.83
6. Step 6: Final answer
   x = 1,678.23