Finding the Fourth Proportional to 9,417.89, 14,128.20 and 2,844.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417.89 : 14,128.20 = 2,844.60 : x
2. Step 2: Convert to fraction form
   9,417.89/14,128.20 = 2,844.60/x
3. Step 3: Cross multiply
   9,417.89x = 14,128.20 × 2,844.60
4. Step 4: Simplify right side
   9,417.89x = 40,189,077.72
5. Step 5: Solve for x
   x = 40,189,077.72/9,417.89
6. Step 6: Final answer
   x = 4,267.31