Finding the Fourth Proportional to 1,075.33, 1,483.61 and 627.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.33 : 1,483.61 = 627.10 : x
2. Step 2: Convert to fraction form
   1,075.33/1,483.61 = 627.10/x
3. Step 3: Cross multiply
   1,075.33x = 1,483.61 × 627.10
4. Step 4: Simplify right side
   1,075.33x = 930,370.92
5. Step 5: Solve for x
   x = 930,370.92/1,075.33
6. Step 6: Final answer
   x = 865.19