Finding the Fourth Proportional to 2,945.89, 4,418.19 and 1,046.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.89 : 4,418.19 = 1,046.46 : x
2. Step 2: Convert to fraction form
   2,945.89/4,418.19 = 1,046.46/x
3. Step 3: Cross multiply
   2,945.89x = 4,418.19 × 1,046.46
4. Step 4: Simplify right side
   2,945.89x = 4,623,460.31
5. Step 5: Solve for x
   x = 4,623,460.31/2,945.89
6. Step 6: Final answer
   x = 1,569.46