Finding the Fourth Proportional to 3,601.30, 4,972.06 and 2,760.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.30 : 4,972.06 = 2,760.42 : x
2. Step 2: Convert to fraction form
   3,601.30/4,972.06 = 2,760.42/x
3. Step 3: Cross multiply
   3,601.30x = 4,972.06 × 2,760.42
4. Step 4: Simplify right side
   3,601.30x = 13,724,973.87
5. Step 5: Solve for x
   x = 13,724,973.87/3,601.30
6. Step 6: Final answer
   x = 3,811.12