Finding the Fourth Proportional to 1,075.02, 1,483.57 and 632.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.02 : 1,483.57 = 632.90 : x
2. Step 2: Convert to fraction form
   1,075.02/1,483.57 = 632.90/x
3. Step 3: Cross multiply
   1,075.02x = 1,483.57 × 632.90
4. Step 4: Simplify right side
   1,075.02x = 938,951.45
5. Step 5: Solve for x
   x = 938,951.45/1,075.02
6. Step 6: Final answer
   x = 873.43