Finding the Fourth Proportional to 2,308.87, 3,463.31 and 577.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.87 : 3,463.31 = 577.49 : x
2. Step 2: Convert to fraction form
   2,308.87/3,463.31 = 577.49/x
3. Step 3: Cross multiply
   2,308.87x = 3,463.31 × 577.49
4. Step 4: Simplify right side
   2,308.87x = 2,000,026.89
5. Step 5: Solve for x
   x = 2,000,026.89/2,308.87
6. Step 6: Final answer
   x = 866.24