Finding the Fourth Proportional to 2,945.43, 4,418.37 and 970.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.43 : 4,418.37 = 970.29 : x
2. Step 2: Convert to fraction form
   2,945.43/4,418.37 = 970.29/x
3. Step 3: Cross multiply
   2,945.43x = 4,418.37 × 970.29
4. Step 4: Simplify right side
   2,945.43x = 4,287,100.23
5. Step 5: Solve for x
   x = 4,287,100.23/2,945.43
6. Step 6: Final answer
   x = 1,455.51