Finding the Fourth Proportional to 2,061, 2,842.98 and 1,431.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061 : 2,842.98 = 1,431.88 : x
2. Step 2: Convert to fraction form
   2,061/2,842.98 = 1,431.88/x
3. Step 3: Cross multiply
   2,061x = 2,842.98 × 1,431.88
4. Step 4: Simplify right side
   2,061x = 4,070,806.20
5. Step 5: Solve for x
   x = 4,070,806.20/2,061
6. Step 6: Final answer
   x = 1,975.16