Finding the Fourth Proportional to 1,343.34, 1,851.87 and 943.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.34 : 1,851.87 = 943.78 : x
2. Step 2: Convert to fraction form
   1,343.34/1,851.87 = 943.78/x
3. Step 3: Cross multiply
   1,343.34x = 1,851.87 × 943.78
4. Step 4: Simplify right side
   1,343.34x = 1,747,757.87
5. Step 5: Solve for x
   x = 1,747,757.87/1,343.34
6. Step 6: Final answer
   x = 1,301.05