Finding the Fourth Proportional to 2,430.47, 3,644.73 and 949.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430.47 : 3,644.73 = 949.46 : x
2. Step 2: Convert to fraction form
   2,430.47/3,644.73 = 949.46/x
3. Step 3: Cross multiply
   2,430.47x = 3,644.73 × 949.46
4. Step 4: Simplify right side
   2,430.47x = 3,460,507.12
5. Step 5: Solve for x
   x = 3,460,507.12/2,430.47
6. Step 6: Final answer
   x = 1,423.80