Finding the Fourth Proportional to 2,050.22, 2,830.36 and 1,211.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.22 : 2,830.36 = 1,211.18 : x
2. Step 2: Convert to fraction form
   2,050.22/2,830.36 = 1,211.18/x
3. Step 3: Cross multiply
   2,050.22x = 2,830.36 × 1,211.18
4. Step 4: Simplify right side
   2,050.22x = 3,428,075.42
5. Step 5: Solve for x
   x = 3,428,075.42/2,050.22
6. Step 6: Final answer
   x = 1,672.05