Finding the Fourth Proportional to 1,084.48, 1,496.59 and 587.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.48 : 1,496.59 = 587.12 : x
2. Step 2: Convert to fraction form
   1,084.48/1,496.59 = 587.12/x
3. Step 3: Cross multiply
   1,084.48x = 1,496.59 × 587.12
4. Step 4: Simplify right side
   1,084.48x = 878,677.92
5. Step 5: Solve for x
   x = 878,677.92/1,084.48
6. Step 6: Final answer
   x = 810.23