Finding the Fourth Proportional to 1,444.38, 1,992.20 and 1,002.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.38 : 1,992.20 = 1,002.38 : x
2. Step 2: Convert to fraction form
   1,444.38/1,992.20 = 1,002.38/x
3. Step 3: Cross multiply
   1,444.38x = 1,992.20 × 1,002.38
4. Step 4: Simplify right side
   1,444.38x = 1,996,941.44
5. Step 5: Solve for x
   x = 1,996,941.44/1,444.38
6. Step 6: Final answer
   x = 1,382.56