Finding the Fourth Proportional to 2,061.10, 2,842.86 and 1,431.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.10 : 2,842.86 = 1,431.73 : x
2. Step 2: Convert to fraction form
   2,061.10/2,842.86 = 1,431.73/x
3. Step 3: Cross multiply
   2,061.10x = 2,842.86 × 1,431.73
4. Step 4: Simplify right side
   2,061.10x = 4,070,207.95
5. Step 5: Solve for x
   x = 4,070,207.95/2,061.10
6. Step 6: Final answer
   x = 1,974.77