Finding the Fourth Proportional to 1,088.27, 1,632.63 and 357.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,088.27 : 1,632.63 = 357.89 : x
2. Step 2: Convert to fraction form
   1,088.27/1,632.63 = 357.89/x
3. Step 3: Cross multiply
   1,088.27x = 1,632.63 × 357.89
4. Step 4: Simplify right side
   1,088.27x = 584,301.95
5. Step 5: Solve for x
   x = 584,301.95/1,088.27
6. Step 6: Final answer
   x = 536.91