Finding the Fourth Proportional to 1,100.68, 1,517.54 and 786.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.68 : 1,517.54 = 786.32 : x
2. Step 2: Convert to fraction form
   1,100.68/1,517.54 = 786.32/x
3. Step 3: Cross multiply
   1,100.68x = 1,517.54 × 786.32
4. Step 4: Simplify right side
   1,100.68x = 1,193,272.05
5. Step 5: Solve for x
   x = 1,193,272.05/1,100.68
6. Step 6: Final answer
   x = 1,084.12