Finding the Fourth Proportional to 1,478.55, 2,040.54 and 849.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478.55 : 2,040.54 = 849.27 : x
2. Step 2: Convert to fraction form
   1,478.55/2,040.54 = 849.27/x
3. Step 3: Cross multiply
   1,478.55x = 2,040.54 × 849.27
4. Step 4: Simplify right side
   1,478.55x = 1,732,969.41
5. Step 5: Solve for x
   x = 1,732,969.41/1,478.55
6. Step 6: Final answer
   x = 1,172.07