Finding the Fourth Proportional to 2,850.18, 3,933.54 and 1,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,850.18 : 3,933.54 = 1,801.50 : x
2. Step 2: Convert to fraction form
   2,850.18/3,933.54 = 1,801.50/x
3. Step 3: Cross multiply
   2,850.18x = 3,933.54 × 1,801.50
4. Step 4: Simplify right side
   2,850.18x = 7,086,272.31
5. Step 5: Solve for x
   x = 7,086,272.31/2,850.18
6. Step 6: Final answer
   x = 2,486.25