Finding the Fourth Proportional to 2,084.75, 3,127.55 and 930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.75 : 3,127.55 = 930.50 : x
2. Step 2: Convert to fraction form
   2,084.75/3,127.55 = 930.50/x
3. Step 3: Cross multiply
   2,084.75x = 3,127.55 × 930.50
4. Step 4: Simplify right side
   2,084.75x = 2,910,185.28
5. Step 5: Solve for x
   x = 2,910,185.28/2,084.75
6. Step 6: Final answer
   x = 1,395.94