Finding the Fourth Proportional to 2,179.41, 3,007.48 and 1,235.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.41 : 3,007.48 = 1,235.18 : x
2. Step 2: Convert to fraction form
   2,179.41/3,007.48 = 1,235.18/x
3. Step 3: Cross multiply
   2,179.41x = 3,007.48 × 1,235.18
4. Step 4: Simplify right side
   2,179.41x = 3,714,779.15
5. Step 5: Solve for x
   x = 3,714,779.15/2,179.41
6. Step 6: Final answer
   x = 1,704.49