Finding the Fourth Proportional to 2,844.69, 3,929.55 and 2,407.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,844.69 : 3,929.55 = 2,407.29 : x
2. Step 2: Convert to fraction form
   2,844.69/3,929.55 = 2,407.29/x
3. Step 3: Cross multiply
   2,844.69x = 3,929.55 × 2,407.29
4. Step 4: Simplify right side
   2,844.69x = 9,459,566.42
5. Step 5: Solve for x
   x = 9,459,566.42/2,844.69
6. Step 6: Final answer
   x = 3,325.34