Finding the Fourth Proportional to 2,211.12, 3,050.33 and 1,425.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,211.12 : 3,050.33 = 1,425.42 : x
2. Step 2: Convert to fraction form
   2,211.12/3,050.33 = 1,425.42/x
3. Step 3: Cross multiply
   2,211.12x = 3,050.33 × 1,425.42
4. Step 4: Simplify right side
   2,211.12x = 4,347,994.26
5. Step 5: Solve for x
   x = 4,347,994.26/2,211.12
6. Step 6: Final answer
   x = 1,966.42