Finding the Fourth Proportional to 1,942.48, 2,908.18 and 1,819.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.48 : 2,908.18 = 1,819.86 : x
2. Step 2: Convert to fraction form
   1,942.48/2,908.18 = 1,819.86/x
3. Step 3: Cross multiply
   1,942.48x = 2,908.18 × 1,819.86
4. Step 4: Simplify right side
   1,942.48x = 5,292,480.45
5. Step 5: Solve for x
   x = 5,292,480.45/1,942.48
6. Step 6: Final answer
   x = 2,724.60