Finding the Fourth Proportional to 3,903.53, 5,385.24 and 2,559.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,903.53 : 5,385.24 = 2,559.46 : x
2. Step 2: Convert to fraction form
   3,903.53/5,385.24 = 2,559.46/x
3. Step 3: Cross multiply
   3,903.53x = 5,385.24 × 2,559.46
4. Step 4: Simplify right side
   3,903.53x = 13,783,306.37
5. Step 5: Solve for x
   x = 13,783,306.37/3,903.53
6. Step 6: Final answer
   x = 3,530.99