Finding the Fourth Proportional to 2,308.55, 3,462.82 and 577.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.55 : 3,462.82 = 577.17 : x
2. Step 2: Convert to fraction form
   2,308.55/3,462.82 = 577.17/x
3. Step 3: Cross multiply
   2,308.55x = 3,462.82 × 577.17
4. Step 4: Simplify right side
   2,308.55x = 1,998,634.38
5. Step 5: Solve for x
   x = 1,998,634.38/2,308.55
6. Step 6: Final answer
   x = 865.76