Finding the Fourth Proportional to 1,075.16, 1,483.50 and 682.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.16 : 1,483.50 = 682.70 : x
2. Step 2: Convert to fraction form
   1,075.16/1,483.50 = 682.70/x
3. Step 3: Cross multiply
   1,075.16x = 1,483.50 × 682.70
4. Step 4: Simplify right side
   1,075.16x = 1,012,785.45
5. Step 5: Solve for x
   x = 1,012,785.45/1,075.16
6. Step 6: Final answer
   x = 941.99