Finding the Fourth Proportional to 1,074.97, 1,483.61 and 609.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.97 : 1,483.61 = 609.25 : x
2. Step 2: Convert to fraction form
   1,074.97/1,483.61 = 609.25/x
3. Step 3: Cross multiply
   1,074.97x = 1,483.61 × 609.25
4. Step 4: Simplify right side
   1,074.97x = 903,886.35
5. Step 5: Solve for x
   x = 903,886.35/1,074.97
6. Step 6: Final answer
   x = 840.85