Finding the Fourth Proportional to 1,857.88, 2,786.00 and 933.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,857.88 : 2,786.00 = 933.27 : x
2. Step 2: Convert to fraction form
   1,857.88/2,786.00 = 933.27/x
3. Step 3: Cross multiply
   1,857.88x = 2,786.00 × 933.27
4. Step 4: Simplify right side
   1,857.88x = 2,600,071.62
5. Step 5: Solve for x
   x = 2,600,071.62/1,857.88
6. Step 6: Final answer
   x = 1,399.48