Finding the Fourth Proportional to 3,631.56, 5,478.96 and 3,449.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,631.56 : 5,478.96 = 3,449.34 : x
2. Step 2: Convert to fraction form
   3,631.56/5,478.96 = 3,449.34/x
3. Step 3: Cross multiply
   3,631.56x = 5,478.96 × 3,449.34
4. Step 4: Simplify right side
   3,631.56x = 18,898,795.89
5. Step 5: Solve for x
   x = 18,898,795.89/3,631.56
6. Step 6: Final answer
   x = 5,204.04