Finding the Fourth Proportional to 1,360.17, 1,875.96 and 862.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.17 : 1,875.96 = 862.32 : x
2. Step 2: Convert to fraction form
   1,360.17/1,875.96 = 862.32/x
3. Step 3: Cross multiply
   1,360.17x = 1,875.96 × 862.32
4. Step 4: Simplify right side
   1,360.17x = 1,617,677.83
5. Step 5: Solve for x
   x = 1,617,677.83/1,360.17
6. Step 6: Final answer
   x = 1,189.32