Finding the Fourth Proportional to 1,375.92, 1,896.96 and 1,002.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.92 : 1,896.96 = 1,002.48 : x
2. Step 2: Convert to fraction form
   1,375.92/1,896.96 = 1,002.48/x
3. Step 3: Cross multiply
   1,375.92x = 1,896.96 × 1,002.48
4. Step 4: Simplify right side
   1,375.92x = 1,901,664.46
5. Step 5: Solve for x
   x = 1,901,664.46/1,375.92
6. Step 6: Final answer
   x = 1,382.10