Finding the Fourth Proportional to 2,062.52, 2,845.13 and 1,222.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,062.52 : 2,845.13 = 1,222.42 : x
2. Step 2: Convert to fraction form
   2,062.52/2,845.13 = 1,222.42/x
3. Step 3: Cross multiply
   2,062.52x = 2,845.13 × 1,222.42
4. Step 4: Simplify right side
   2,062.52x = 3,477,928.06
5. Step 5: Solve for x
   x = 3,477,928.06/2,062.52
6. Step 6: Final answer
   x = 1,686.25