Finding the Fourth Proportional to 1,087.47, 1,633.21 and 567.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.47 : 1,633.21 = 567.83 : x
2. Step 2: Convert to fraction form
   1,087.47/1,633.21 = 567.83/x
3. Step 3: Cross multiply
   1,087.47x = 1,633.21 × 567.83
4. Step 4: Simplify right side
   1,087.47x = 927,388.30
5. Step 5: Solve for x
   x = 927,388.30/1,087.47
6. Step 6: Final answer
   x = 852.79