Finding the Fourth Proportional to 1,343.09, 1,851.50 and 943.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.09 : 1,851.50 = 943.49 : x
2. Step 2: Convert to fraction form
   1,343.09/1,851.50 = 943.49/x
3. Step 3: Cross multiply
   1,343.09x = 1,851.50 × 943.49
4. Step 4: Simplify right side
   1,343.09x = 1,746,857.76
5. Step 5: Solve for x
   x = 1,746,857.76/1,343.09
6. Step 6: Final answer
   x = 1,300.63