Finding the Fourth Proportional to 3,937.56, 5,906.37 and 2,293.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,937.56 : 5,906.37 = 2,293.05 : x
2. Step 2: Convert to fraction form
   3,937.56/5,906.37 = 2,293.05/x
3. Step 3: Cross multiply
   3,937.56x = 5,906.37 × 2,293.05
4. Step 4: Simplify right side
   3,937.56x = 13,543,601.73
5. Step 5: Solve for x
   x = 13,543,601.73/3,937.56
6. Step 6: Final answer
   x = 3,439.59