Finding the Fourth Proportional to 1,075.06, 1,483.34 and 632.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.06 : 1,483.34 = 632.90 : x
2. Step 2: Convert to fraction form
   1,075.06/1,483.34 = 632.90/x
3. Step 3: Cross multiply
   1,075.06x = 1,483.34 × 632.90
4. Step 4: Simplify right side
   1,075.06x = 938,805.89
5. Step 5: Solve for x
   x = 938,805.89/1,075.06
6. Step 6: Final answer
   x = 873.26