Finding the Fourth Proportional to 2,076.16, 3,114.40 and 1,210.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.16 : 3,114.40 = 1,210.56 : x
2. Step 2: Convert to fraction form
   2,076.16/3,114.40 = 1,210.56/x
3. Step 3: Cross multiply
   2,076.16x = 3,114.40 × 1,210.56
4. Step 4: Simplify right side
   2,076.16x = 3,770,168.06
5. Step 5: Solve for x
   x = 3,770,168.06/2,076.16
6. Step 6: Final answer
   x = 1,815.93