Finding the Fourth Proportional to 1,055.34, 1,581.63 and 567.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.34 : 1,581.63 = 567.83 : x
2. Step 2: Convert to fraction form
   1,055.34/1,581.63 = 567.83/x
3. Step 3: Cross multiply
   1,055.34x = 1,581.63 × 567.83
4. Step 4: Simplify right side
   1,055.34x = 898,089.05
5. Step 5: Solve for x
   x = 898,089.05/1,055.34
6. Step 6: Final answer
   x = 850.99