Finding the Fourth Proportional to 2,210.94, 3,051.16 and 1,216.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.94 : 3,051.16 = 1,216.29 : x
2. Step 2: Convert to fraction form
   2,210.94/3,051.16 = 1,216.29/x
3. Step 3: Cross multiply
   2,210.94x = 3,051.16 × 1,216.29
4. Step 4: Simplify right side
   2,210.94x = 3,711,095.40
5. Step 5: Solve for x
   x = 3,711,095.40/2,210.94
6. Step 6: Final answer
   x = 1,678.52