Finding the Fourth Proportional to 3,601.56, 5,393.63 and 2,980.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.56 : 5,393.63 = 2,980.69 : x
2. Step 2: Convert to fraction form
   3,601.56/5,393.63 = 2,980.69/x
3. Step 3: Cross multiply
   3,601.56x = 5,393.63 × 2,980.69
4. Step 4: Simplify right side
   3,601.56x = 16,076,745.04
5. Step 5: Solve for x
   x = 16,076,745.04/3,601.56
6. Step 6: Final answer
   x = 4,463.83