Finding the Fourth Proportional to 2,054.16, 3,076.38 and 1,618.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.16 : 3,076.38 = 1,618.38 : x
2. Step 2: Convert to fraction form
   2,054.16/3,076.38 = 1,618.38/x
3. Step 3: Cross multiply
   2,054.16x = 3,076.38 × 1,618.38
4. Step 4: Simplify right side
   2,054.16x = 4,978,751.86
5. Step 5: Solve for x
   x = 4,978,751.86/2,054.16
6. Step 6: Final answer
   x = 2,423.74