Finding the Fourth Proportional to 2,429.08, 3,641.46 and 889.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.08 : 3,641.46 = 889.72 : x
2. Step 2: Convert to fraction form
   2,429.08/3,641.46 = 889.72/x
3. Step 3: Cross multiply
   2,429.08x = 3,641.46 × 889.72
4. Step 4: Simplify right side
   2,429.08x = 3,239,879.79
5. Step 5: Solve for x
   x = 3,239,879.79/2,429.08
6. Step 6: Final answer
   x = 1,333.79