Finding the Fourth Proportional to 2,592.89, 3,888.65 and 949.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592.89 : 3,888.65 = 949.45 : x
2. Step 2: Convert to fraction form
   2,592.89/3,888.65 = 949.45/x
3. Step 3: Cross multiply
   2,592.89x = 3,888.65 × 949.45
4. Step 4: Simplify right side
   2,592.89x = 3,692,078.74
5. Step 5: Solve for x
   x = 3,692,078.74/2,592.89
6. Step 6: Final answer
   x = 1,423.92