Finding the Fourth Proportional to 1,075.76, 1,483.88 and 682.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.76 : 1,483.88 = 682.10 : x
2. Step 2: Convert to fraction form
   1,075.76/1,483.88 = 682.10/x
3. Step 3: Cross multiply
   1,075.76x = 1,483.88 × 682.10
4. Step 4: Simplify right side
   1,075.76x = 1,012,154.55
5. Step 5: Solve for x
   x = 1,012,154.55/1,075.76
6. Step 6: Final answer
   x = 940.87