Finding the Fourth Proportional to 2,775.87, 4,162.46 and 1,899.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,775.87 : 4,162.46 = 1,899.72 : x
2. Step 2: Convert to fraction form
   2,775.87/4,162.46 = 1,899.72/x
3. Step 3: Cross multiply
   2,775.87x = 4,162.46 × 1,899.72
4. Step 4: Simplify right side
   2,775.87x = 7,907,499.01
5. Step 5: Solve for x
   x = 7,907,499.01/2,775.87
6. Step 6: Final answer
   x = 2,848.66