Finding the Fourth Proportional to 2,052.22, 2,833.12 and 1,213.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,052.22 : 2,833.12 = 1,213.18 : x
2. Step 2: Convert to fraction form
   2,052.22/2,833.12 = 1,213.18/x
3. Step 3: Cross multiply
   2,052.22x = 2,833.12 × 1,213.18
4. Step 4: Simplify right side
   2,052.22x = 3,437,084.52
5. Step 5: Solve for x
   x = 3,437,084.52/2,052.22
6. Step 6: Final answer
   x = 1,674.81