Finding the Fourth Proportional to 1,341.49, 1,851.02 and 810.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.49 : 1,851.02 = 810.22 : x
2. Step 2: Convert to fraction form
   1,341.49/1,851.02 = 810.22/x
3. Step 3: Cross multiply
   1,341.49x = 1,851.02 × 810.22
4. Step 4: Simplify right side
   1,341.49x = 1,499,729.37
5. Step 5: Solve for x
   x = 1,499,729.37/1,341.49
6. Step 6: Final answer
   x = 1,117.96