Finding the Fourth Proportional to 1,631.10, 2,443.86 and 1,095.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631.10 : 2,443.86 = 1,095.81 : x
2. Step 2: Convert to fraction form
   1,631.10/2,443.86 = 1,095.81/x
3. Step 3: Cross multiply
   1,631.10x = 2,443.86 × 1,095.81
4. Step 4: Simplify right side
   1,631.10x = 2,678,006.86
5. Step 5: Solve for x
   x = 2,678,006.86/1,631.10
6. Step 6: Final answer
   x = 1,641.84