Finding the Fourth Proportional to 1,075.83, 1,484.63 and 633.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.83 : 1,484.63 = 633.72 : x
2. Step 2: Convert to fraction form
   1,075.83/1,484.63 = 633.72/x
3. Step 3: Cross multiply
   1,075.83x = 1,484.63 × 633.72
4. Step 4: Simplify right side
   1,075.83x = 940,844.50
5. Step 5: Solve for x
   x = 940,844.50/1,075.83
6. Step 6: Final answer
   x = 874.53