Finding the Fourth Proportional to 1,075.91, 1,484.76 and 633.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.91 : 1,484.76 = 633.83 : x
2. Step 2: Convert to fraction form
   1,075.91/1,484.76 = 633.83/x
3. Step 3: Cross multiply
   1,075.91x = 1,484.76 × 633.83
4. Step 4: Simplify right side
   1,075.91x = 941,085.43
5. Step 5: Solve for x
   x = 941,085.43/1,075.91
6. Step 6: Final answer
   x = 874.69