Finding the Fourth Proportional to 1,074.93, 1,483.56 and 683.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.93 : 1,483.56 = 683.10 : x
2. Step 2: Convert to fraction form
   1,074.93/1,483.56 = 683.10/x
3. Step 3: Cross multiply
   1,074.93x = 1,483.56 × 683.10
4. Step 4: Simplify right side
   1,074.93x = 1,013,419.84
5. Step 5: Solve for x
   x = 1,013,419.84/1,074.93
6. Step 6: Final answer
   x = 942.78