Finding the Fourth Proportional to 1,087.98, 1,632.17 and 357.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.98 : 1,632.17 = 357.59 : x
2. Step 2: Convert to fraction form
   1,087.98/1,632.17 = 357.59/x
3. Step 3: Cross multiply
   1,087.98x = 1,632.17 × 357.59
4. Step 4: Simplify right side
   1,087.98x = 583,637.72
5. Step 5: Solve for x
   x = 583,637.72/1,087.98
6. Step 6: Final answer
   x = 536.44