Finding the Fourth Proportional to 2,945.81, 4,418.24 and 754.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.81 : 4,418.24 = 754.43 : x
2. Step 2: Convert to fraction form
   2,945.81/4,418.24 = 754.43/x
3. Step 3: Cross multiply
   2,945.81x = 4,418.24 × 754.43
4. Step 4: Simplify right side
   2,945.81x = 3,333,230.71
5. Step 5: Solve for x
   x = 3,333,230.71/2,945.81
6. Step 6: Final answer
   x = 1,131.52