Finding the Fourth Proportional to 2,187.63, 3,017.61 and 1,441.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.63 : 3,017.61 = 1,441.33 : x
2. Step 2: Convert to fraction form
   2,187.63/3,017.61 = 1,441.33/x
3. Step 3: Cross multiply
   2,187.63x = 3,017.61 × 1,441.33
4. Step 4: Simplify right side
   2,187.63x = 4,349,364.28
5. Step 5: Solve for x
   x = 4,349,364.28/2,187.63
6. Step 6: Final answer
   x = 1,988.16