Finding the Fourth Proportional to 1,083.75, 1,627.24 and 622.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.75 : 1,627.24 = 622.05 : x
2. Step 2: Convert to fraction form
   1,083.75/1,627.24 = 622.05/x
3. Step 3: Cross multiply
   1,083.75x = 1,627.24 × 622.05
4. Step 4: Simplify right side
   1,083.75x = 1,012,224.64
5. Step 5: Solve for x
   x = 1,012,224.64/1,083.75
6. Step 6: Final answer
   x = 934.00