Finding the Fourth Proportional to 2,429.36, 3,641.00 and 1,331.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.36 : 3,641.00 = 1,331.81 : x
2. Step 2: Convert to fraction form
   2,429.36/3,641.00 = 1,331.81/x
3. Step 3: Cross multiply
   2,429.36x = 3,641.00 × 1,331.81
4. Step 4: Simplify right side
   2,429.36x = 4,849,095.35
5. Step 5: Solve for x
   x = 4,849,095.35/2,429.36
6. Step 6: Final answer
   x = 1,996.04