Finding the Fourth Proportional to 1,333.44, 1,839.68 and 836.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.44 : 1,839.68 = 836.16 : x
2. Step 2: Convert to fraction form
   1,333.44/1,839.68 = 836.16/x
3. Step 3: Cross multiply
   1,333.44x = 1,839.68 × 836.16
4. Step 4: Simplify right side
   1,333.44x = 1,538,266.83
5. Step 5: Solve for x
   x = 1,538,266.83/1,333.44
6. Step 6: Final answer
   x = 1,153.61