Finding the Fourth Proportional to 2,385.29, 3,290.56 and 1,441.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.29 : 3,290.56 = 1,441.12 : x
2. Step 2: Convert to fraction form
   2,385.29/3,290.56 = 1,441.12/x
3. Step 3: Cross multiply
   2,385.29x = 3,290.56 × 1,441.12
4. Step 4: Simplify right side
   2,385.29x = 4,742,091.83
5. Step 5: Solve for x
   x = 4,742,091.83/2,385.29
6. Step 6: Final answer
   x = 1,988.06