Finding the Fourth Proportional to 1,568.05, 2,162.42 and 938.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,568.05 : 2,162.42 = 938.48 : x
2. Step 2: Convert to fraction form
   1,568.05/2,162.42 = 938.48/x
3. Step 3: Cross multiply
   1,568.05x = 2,162.42 × 938.48
4. Step 4: Simplify right side
   1,568.05x = 2,029,383.23
5. Step 5: Solve for x
   x = 2,029,383.23/1,568.05
6. Step 6: Final answer
   x = 1,294.21