Finding the Fourth Proportional to 1,075.12, 1,483.50 and 632.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.12 : 1,483.50 = 632.98 : x
2. Step 2: Convert to fraction form
   1,075.12/1,483.50 = 632.98/x
3. Step 3: Cross multiply
   1,075.12x = 1,483.50 × 632.98
4. Step 4: Simplify right side
   1,075.12x = 939,025.83
5. Step 5: Solve for x
   x = 939,025.83/1,075.12
6. Step 6: Final answer
   x = 873.41