Finding the Fourth Proportional to 1,333.98, 1,841.22 and 810.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.98 : 1,841.22 = 810.36 : x
2. Step 2: Convert to fraction form
   1,333.98/1,841.22 = 810.36/x
3. Step 3: Cross multiply
   1,333.98x = 1,841.22 × 810.36
4. Step 4: Simplify right side
   1,333.98x = 1,492,051.04
5. Step 5: Solve for x
   x = 1,492,051.04/1,333.98
6. Step 6: Final answer
   x = 1,118.50