Finding the Fourth Proportional to 1,075.55, 1,484.55 and 633.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.55 : 1,484.55 = 633.59 : x
2. Step 2: Convert to fraction form
   1,075.55/1,484.55 = 633.59/x
3. Step 3: Cross multiply
   1,075.55x = 1,484.55 × 633.59
4. Step 4: Simplify right side
   1,075.55x = 940,592.87
5. Step 5: Solve for x
   x = 940,592.87/1,075.55
6. Step 6: Final answer
   x = 874.53