Finding the Fourth Proportional to 1,075.61, 1,484.53 and 633.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.61 : 1,484.53 = 633.42 : x
2. Step 2: Convert to fraction form
   1,075.61/1,484.53 = 633.42/x
3. Step 3: Cross multiply
   1,075.61x = 1,484.53 × 633.42
4. Step 4: Simplify right side
   1,075.61x = 940,329.41
5. Step 5: Solve for x
   x = 940,329.41/1,075.61
6. Step 6: Final answer
   x = 874.23