Finding the Fourth Proportional to 1,075.32, 1,483.56 and 633.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.32 : 1,483.56 = 633.12 : x
2. Step 2: Convert to fraction form
   1,075.32/1,483.56 = 633.12/x
3. Step 3: Cross multiply
   1,075.32x = 1,483.56 × 633.12
4. Step 4: Simplify right side
   1,075.32x = 939,271.51
5. Step 5: Solve for x
   x = 939,271.51/1,075.32
6. Step 6: Final answer
   x = 873.48