Finding the Fourth Proportional to 1,084.96, 1,496.93 and 612.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.96 : 1,496.93 = 612.83 : x
2. Step 2: Convert to fraction form
   1,084.96/1,496.93 = 612.83/x
3. Step 3: Cross multiply
   1,084.96x = 1,496.93 × 612.83
4. Step 4: Simplify right side
   1,084.96x = 917,363.61
5. Step 5: Solve for x
   x = 917,363.61/1,084.96
6. Step 6: Final answer
   x = 845.53