Finding the Fourth Proportional to 3,858.82, 5,788.50 and 1,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,858.82 : 5,788.50 = 1,910.50 : x
2. Step 2: Convert to fraction form
   3,858.82/5,788.50 = 1,910.50/x
3. Step 3: Cross multiply
   3,858.82x = 5,788.50 × 1,910.50
4. Step 4: Simplify right side
   3,858.82x = 11,058,929.25
5. Step 5: Solve for x
   x = 11,058,929.25/3,858.82
6. Step 6: Final answer
   x = 2,865.88