Finding the Fourth Proportional to 2,050.34, 2,828.84 and 1,211.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.34 : 2,828.84 = 1,211.13 : x
2. Step 2: Convert to fraction form
   2,050.34/2,828.84 = 1,211.13/x
3. Step 3: Cross multiply
   2,050.34x = 2,828.84 × 1,211.13
4. Step 4: Simplify right side
   2,050.34x = 3,426,086.93
5. Step 5: Solve for x
   x = 3,426,086.93/2,050.34
6. Step 6: Final answer
   x = 1,670.99