Finding the Fourth Proportional to 1,331.06, 1,836.72 and 800.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331.06 : 1,836.72 = 800.10 : x
2. Step 2: Convert to fraction form
   1,331.06/1,836.72 = 800.10/x
3. Step 3: Cross multiply
   1,331.06x = 1,836.72 × 800.10
4. Step 4: Simplify right side
   1,331.06x = 1,469,559.67
5. Step 5: Solve for x
   x = 1,469,559.67/1,331.06
6. Step 6: Final answer
   x = 1,104.06