Finding the Fourth Proportional to 2,187.56, 3,019.49 and 1,401.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.56 : 3,019.49 = 1,401.59 : x
2. Step 2: Convert to fraction form
   2,187.56/3,019.49 = 1,401.59/x
3. Step 3: Cross multiply
   2,187.56x = 3,019.49 × 1,401.59
4. Step 4: Simplify right side
   2,187.56x = 4,232,064.88
5. Step 5: Solve for x
   x = 4,232,064.88/2,187.56
6. Step 6: Final answer
   x = 1,934.61