Finding the Fourth Proportional to 1,086.76, 1,632.15 and 567.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.76 : 1,632.15 = 567.12 : x
2. Step 2: Convert to fraction form
   1,086.76/1,632.15 = 567.12/x
3. Step 3: Cross multiply
   1,086.76x = 1,632.15 × 567.12
4. Step 4: Simplify right side
   1,086.76x = 925,627.03
5. Step 5: Solve for x
   x = 925,627.03/1,086.76
6. Step 6: Final answer
   x = 851.73