Finding the Fourth Proportional to 2,210.08, 3,049.89 and 1,215.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.08 : 3,049.89 = 1,215.37 : x
2. Step 2: Convert to fraction form
   2,210.08/3,049.89 = 1,215.37/x
3. Step 3: Cross multiply
   2,210.08x = 3,049.89 × 1,215.37
4. Step 4: Simplify right side
   2,210.08x = 3,706,744.81
5. Step 5: Solve for x
   x = 3,706,744.81/2,210.08
6. Step 6: Final answer
   x = 1,677.20