Finding the Fourth Proportional to 2,945.64, 4,415.73 and 2,393.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.64 : 4,415.73 = 2,393.42 : x
2. Step 2: Convert to fraction form
   2,945.64/4,415.73 = 2,393.42/x
3. Step 3: Cross multiply
   2,945.64x = 4,415.73 × 2,393.42
4. Step 4: Simplify right side
   2,945.64x = 10,568,696.50
5. Step 5: Solve for x
   x = 10,568,696.50/2,945.64
6. Step 6: Final answer
   x = 3,587.91