Finding the Fourth Proportional to 2,850.01, 3,932.73 and 1,906.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,850.01 : 3,932.73 = 1,906.87 : x
2. Step 2: Convert to fraction form
   2,850.01/3,932.73 = 1,906.87/x
3. Step 3: Cross multiply
   2,850.01x = 3,932.73 × 1,906.87
4. Step 4: Simplify right side
   2,850.01x = 7,499,185.97
5. Step 5: Solve for x
   x = 7,499,185.97/2,850.01
6. Step 6: Final answer
   x = 2,631.28