Finding the Fourth Proportional to 1,766.04, 2,647.34 and 841.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.04 : 2,647.34 = 841.35 : x
2. Step 2: Convert to fraction form
   1,766.04/2,647.34 = 841.35/x
3. Step 3: Cross multiply
   1,766.04x = 2,647.34 × 841.35
4. Step 4: Simplify right side
   1,766.04x = 2,227,344.02
5. Step 5: Solve for x
   x = 2,227,344.02/1,766.04
6. Step 6: Final answer
   x = 1,261.21