Finding the Fourth Proportional to 1,463.42, 2,020.86 and 940.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,463.42 : 2,020.86 = 940.36 : x
2. Step 2: Convert to fraction form
   1,463.42/2,020.86 = 940.36/x
3. Step 3: Cross multiply
   1,463.42x = 2,020.86 × 940.36
4. Step 4: Simplify right side
   1,463.42x = 1,900,330.86
5. Step 5: Solve for x
   x = 1,900,330.86/1,463.42
6. Step 6: Final answer
   x = 1,298.56