Finding the Fourth Proportional to 2,055.66, 2,835.21 and 1,819.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.66 : 2,835.21 = 1,819.86 : x
2. Step 2: Convert to fraction form
   2,055.66/2,835.21 = 1,819.86/x
3. Step 3: Cross multiply
   2,055.66x = 2,835.21 × 1,819.86
4. Step 4: Simplify right side
   2,055.66x = 5,159,685.27
5. Step 5: Solve for x
   x = 5,159,685.27/2,055.66
6. Step 6: Final answer
   x = 2,509.99