Finding the Fourth Proportional to 2,054.16, 2,834.06 and 1,215.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.16 : 2,834.06 = 1,215.14 : x
2. Step 2: Convert to fraction form
   2,054.16/2,834.06 = 1,215.14/x
3. Step 3: Cross multiply
   2,054.16x = 2,834.06 × 1,215.14
4. Step 4: Simplify right side
   2,054.16x = 3,443,759.42
5. Step 5: Solve for x
   x = 3,443,759.42/2,054.16
6. Step 6: Final answer
   x = 1,676.48