Finding the Fourth Proportional to 3,385.48, 5,080.05 and 2,563.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,385.48 : 5,080.05 = 2,563.56 : x
2. Step 2: Convert to fraction form
   3,385.48/5,080.05 = 2,563.56/x
3. Step 3: Cross multiply
   3,385.48x = 5,080.05 × 2,563.56
4. Step 4: Simplify right side
   3,385.48x = 13,023,012.98
5. Step 5: Solve for x
   x = 13,023,012.98/3,385.48
6. Step 6: Final answer
   x = 3,846.73