Finding the Fourth Proportional to 2,310.37, 3,467.61 and 1,078.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,310.37 : 3,467.61 = 1,078.47 : x
2. Step 2: Convert to fraction form
   2,310.37/3,467.61 = 1,078.47/x
3. Step 3: Cross multiply
   2,310.37x = 3,467.61 × 1,078.47
4. Step 4: Simplify right side
   2,310.37x = 3,739,713.36
5. Step 5: Solve for x
   x = 3,739,713.36/2,310.37
6. Step 6: Final answer
   x = 1,618.67