Finding the Fourth Proportional to 1,341.78, 1,849.71 and 942.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.78 : 1,849.71 = 942.23 : x
2. Step 2: Convert to fraction form
   1,341.78/1,849.71 = 942.23/x
3. Step 3: Cross multiply
   1,341.78x = 1,849.71 × 942.23
4. Step 4: Simplify right side
   1,341.78x = 1,742,846.54
5. Step 5: Solve for x
   x = 1,742,846.54/1,341.78
6. Step 6: Final answer
   x = 1,298.91