Finding the Fourth Proportional to 1,333.84, 1,840.92 and 836.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.84 : 1,840.92 = 836.90 : x
2. Step 2: Convert to fraction form
   1,333.84/1,840.92 = 836.90/x
3. Step 3: Cross multiply
   1,333.84x = 1,840.92 × 836.90
4. Step 4: Simplify right side
   1,333.84x = 1,540,665.95
5. Step 5: Solve for x
   x = 1,540,665.95/1,333.84
6. Step 6: Final answer
   x = 1,155.06