Finding the Fourth Proportional to 1,333.41, 1,839.34 and 867.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.41 : 1,839.34 = 867.66 : x
2. Step 2: Convert to fraction form
   1,333.41/1,839.34 = 867.66/x
3. Step 3: Cross multiply
   1,333.41x = 1,839.34 × 867.66
4. Step 4: Simplify right side
   1,333.41x = 1,595,921.74
5. Step 5: Solve for x
   x = 1,595,921.74/1,333.41
6. Step 6: Final answer
   x = 1,196.87