Finding the Fourth Proportional to 2,780.56, 3,837.83 and 1,662.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780.56 : 3,837.83 = 1,662.00 : x
2. Step 2: Convert to fraction form
   2,780.56/3,837.83 = 1,662.00/x
3. Step 3: Cross multiply
   2,780.56x = 3,837.83 × 1,662.00
4. Step 4: Simplify right side
   2,780.56x = 6,378,481.69
5. Step 5: Solve for x
   x = 6,378,481.69/2,780.56
6. Step 6: Final answer
   x = 2,293.95