Finding the Fourth Proportional to 1,075.05, 1,483.52 and 632.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.05 : 1,483.52 = 632.79 : x
2. Step 2: Convert to fraction form
   1,075.05/1,483.52 = 632.79/x
3. Step 3: Cross multiply
   1,075.05x = 1,483.52 × 632.79
4. Step 4: Simplify right side
   1,075.05x = 938,753.46
5. Step 5: Solve for x
   x = 938,753.46/1,075.05
6. Step 6: Final answer
   x = 873.22