Finding the Fourth Proportional to 2,050.65, 2,829.17 and 1,211.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.65 : 2,829.17 = 1,211.18 : x
2. Step 2: Convert to fraction form
   2,050.65/2,829.17 = 1,211.18/x
3. Step 3: Cross multiply
   2,050.65x = 2,829.17 × 1,211.18
4. Step 4: Simplify right side
   2,050.65x = 3,426,632.66
5. Step 5: Solve for x
   x = 3,426,632.66/2,050.65
6. Step 6: Final answer
   x = 1,670.99