Finding the Fourth Proportional to 1,339.22, 1,847.79 and 841.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.22 : 1,847.79 = 841.34 : x
2. Step 2: Convert to fraction form
   1,339.22/1,847.79 = 841.34/x
3. Step 3: Cross multiply
   1,339.22x = 1,847.79 × 841.34
4. Step 4: Simplify right side
   1,339.22x = 1,554,610.40
5. Step 5: Solve for x
   x = 1,554,610.40/1,339.22
6. Step 6: Final answer
   x = 1,160.84