Finding the Fourth Proportional to 2,050.70, 2,830.21 and 1,166.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.70 : 2,830.21 = 1,166.72 : x
2. Step 2: Convert to fraction form
   2,050.70/2,830.21 = 1,166.72/x
3. Step 3: Cross multiply
   2,050.70x = 2,830.21 × 1,166.72
4. Step 4: Simplify right side
   2,050.70x = 3,302,045.54
5. Step 5: Solve for x
   x = 3,302,045.54/2,050.70
6. Step 6: Final answer
   x = 1,610.21