Finding the Fourth Proportional to 1,350.69, 1,863.59 and 1,018.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.69 : 1,863.59 = 1,018.32 : x
2. Step 2: Convert to fraction form
   1,350.69/1,863.59 = 1,018.32/x
3. Step 3: Cross multiply
   1,350.69x = 1,863.59 × 1,018.32
4. Step 4: Simplify right side
   1,350.69x = 1,897,725.88
5. Step 5: Solve for x
   x = 1,897,725.88/1,350.69
6. Step 6: Final answer
   x = 1,405.00