Finding the Fourth Proportional to 2,081.14, 2,872.14 and 1,242.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.14 : 2,872.14 = 1,242.10 : x
2. Step 2: Convert to fraction form
   2,081.14/2,872.14 = 1,242.10/x
3. Step 3: Cross multiply
   2,081.14x = 2,872.14 × 1,242.10
4. Step 4: Simplify right side
   2,081.14x = 3,567,485.09
5. Step 5: Solve for x
   x = 3,567,485.09/2,081.14
6. Step 6: Final answer
   x = 1,714.20