Finding the Fourth Proportional to 1,343.00, 1,853.67 and 819.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.00 : 1,853.67 = 819.47 : x
2. Step 2: Convert to fraction form
   1,343.00/1,853.67 = 819.47/x
3. Step 3: Cross multiply
   1,343.00x = 1,853.67 × 819.47
4. Step 4: Simplify right side
   1,343.00x = 1,519,017.69
5. Step 5: Solve for x
   x = 1,519,017.69/1,343.00
6. Step 6: Final answer
   x = 1,131.07