Finding the Fourth Proportional to 1,580.56, 2,371.54 and 849.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580.56 : 2,371.54 = 849.29 : x
2. Step 2: Convert to fraction form
   1,580.56/2,371.54 = 849.29/x
3. Step 3: Cross multiply
   1,580.56x = 2,371.54 × 849.29
4. Step 4: Simplify right side
   1,580.56x = 2,014,114.01
5. Step 5: Solve for x
   x = 2,014,114.01/1,580.56
6. Step 6: Final answer
   x = 1,274.30