Finding the Fourth Proportional to 2,850.63, 4,276.89 and 1,923.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,850.63 : 4,276.89 = 1,923.72 : x
2. Step 2: Convert to fraction form
   2,850.63/4,276.89 = 1,923.72/x
3. Step 3: Cross multiply
   2,850.63x = 4,276.89 × 1,923.72
4. Step 4: Simplify right side
   2,850.63x = 8,227,538.83
5. Step 5: Solve for x
   x = 8,227,538.83/2,850.63
6. Step 6: Final answer
   x = 2,886.22