Finding the Fourth Proportional to 3,789.77, 5,230.55 and 2,298.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.77 : 5,230.55 = 2,298.42 : x
2. Step 2: Convert to fraction form
   3,789.77/5,230.55 = 2,298.42/x
3. Step 3: Cross multiply
   3,789.77x = 5,230.55 × 2,298.42
4. Step 4: Simplify right side
   3,789.77x = 12,022,006.48
5. Step 5: Solve for x
   x = 12,022,006.48/3,789.77
6. Step 6: Final answer
   x = 3,172.23