Finding the Fourth Proportional to 1,084.83, 1,496.69 and 612.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.83 : 1,496.69 = 612.67 : x
2. Step 2: Convert to fraction form
   1,084.83/1,496.69 = 612.67/x
3. Step 3: Cross multiply
   1,084.83x = 1,496.69 × 612.67
4. Step 4: Simplify right side
   1,084.83x = 916,977.06
5. Step 5: Solve for x
   x = 916,977.06/1,084.83
6. Step 6: Final answer
   x = 845.27