Finding the Fourth Proportional to 1,352.30, 1,865.03 and 1,002.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,352.30 : 1,865.03 = 1,002.38 : x
2. Step 2: Convert to fraction form
   1,352.30/1,865.03 = 1,002.38/x
3. Step 3: Cross multiply
   1,352.30x = 1,865.03 × 1,002.38
4. Step 4: Simplify right side
   1,352.30x = 1,869,454.43
5. Step 5: Solve for x
   x = 1,869,454.43/1,352.30
6. Step 6: Final answer
   x = 1,382.43