Finding the Fourth Proportional to 1,382.17, 2,072.17 and 942.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.17 : 2,072.17 = 942.33 : x
2. Step 2: Convert to fraction form
   1,382.17/2,072.17 = 942.33/x
3. Step 3: Cross multiply
   1,382.17x = 2,072.17 × 942.33
4. Step 4: Simplify right side
   1,382.17x = 1,952,667.72
5. Step 5: Solve for x
   x = 1,952,667.72/1,382.17
6. Step 6: Final answer
   x = 1,412.76