Finding the Fourth Proportional to 2,945.83, 4,418.41 and 754.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.83 : 4,418.41 = 754.57 : x
2. Step 2: Convert to fraction form
   2,945.83/4,418.41 = 754.57/x
3. Step 3: Cross multiply
   2,945.83x = 4,418.41 × 754.57
4. Step 4: Simplify right side
   2,945.83x = 3,333,995.86
5. Step 5: Solve for x
   x = 3,333,995.86/2,945.83
6. Step 6: Final answer
   x = 1,131.77