Finding the Fourth Proportional to 1,360.27, 1,875.32 and 1,019.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.27 : 1,875.32 = 1,019.29 : x
2. Step 2: Convert to fraction form
   1,360.27/1,875.32 = 1,019.29/x
3. Step 3: Cross multiply
   1,360.27x = 1,875.32 × 1,019.29
4. Step 4: Simplify right side
   1,360.27x = 1,911,480.45
5. Step 5: Solve for x
   x = 1,911,480.45/1,360.27
6. Step 6: Final answer
   x = 1,405.22