Finding the Fourth Proportional to 1,382.02, 2,069.34 and 731.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.02 : 2,069.34 = 731.38 : x
2. Step 2: Convert to fraction form
   1,382.02/2,069.34 = 731.38/x
3. Step 3: Cross multiply
   1,382.02x = 2,069.34 × 731.38
4. Step 4: Simplify right side
   1,382.02x = 1,513,473.89
5. Step 5: Solve for x
   x = 1,513,473.89/1,382.02
6. Step 6: Final answer
   x = 1,095.12