Finding the Fourth Proportional to 1,084.52, 1,496.52 and 612.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.52 : 1,496.52 = 612.36 : x
2. Step 2: Convert to fraction form
   1,084.52/1,496.52 = 612.36/x
3. Step 3: Cross multiply
   1,084.52x = 1,496.52 × 612.36
4. Step 4: Simplify right side
   1,084.52x = 916,408.99
5. Step 5: Solve for x
   x = 916,408.99/1,084.52
6. Step 6: Final answer
   x = 844.99