Finding the Fourth Proportional to 3,245.72, 4,477.54 and 3,119.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,245.72 : 4,477.54 = 3,119.98 : x
2. Step 2: Convert to fraction form
   3,245.72/4,477.54 = 3,119.98/x
3. Step 3: Cross multiply
   3,245.72x = 4,477.54 × 3,119.98
4. Step 4: Simplify right side
   3,245.72x = 13,969,835.25
5. Step 5: Solve for x
   x = 13,969,835.25/3,245.72
6. Step 6: Final answer
   x = 4,304.08