Finding the Fourth Proportional to 2,061.63, 2,843.64 and 1,274.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.63 : 2,843.64 = 1,274.31 : x
2. Step 2: Convert to fraction form
   2,061.63/2,843.64 = 1,274.31/x
3. Step 3: Cross multiply
   2,061.63x = 2,843.64 × 1,274.31
4. Step 4: Simplify right side
   2,061.63x = 3,623,678.89
5. Step 5: Solve for x
   x = 3,623,678.89/2,061.63
6. Step 6: Final answer
   x = 1,757.68