Finding the Fourth Proportional to 1,075.50, 1,483.92 and 633.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.50 : 1,483.92 = 633.42 : x
2. Step 2: Convert to fraction form
   1,075.50/1,483.92 = 633.42/x
3. Step 3: Cross multiply
   1,075.50x = 1,483.92 × 633.42
4. Step 4: Simplify right side
   1,075.50x = 939,944.61
5. Step 5: Solve for x
   x = 939,944.61/1,075.50
6. Step 6: Final answer
   x = 873.96