Finding the Fourth Proportional to 1,365.42, 1,884.15 and 841.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.42 : 1,884.15 = 841.35 : x
2. Step 2: Convert to fraction form
   1,365.42/1,884.15 = 841.35/x
3. Step 3: Cross multiply
   1,365.42x = 1,884.15 × 841.35
4. Step 4: Simplify right side
   1,365.42x = 1,585,229.60
5. Step 5: Solve for x
   x = 1,585,229.60/1,365.42
6. Step 6: Final answer
   x = 1,160.98