Finding the Fourth Proportional to 2,188.07, 3,018.83 and 1,401.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.07 : 3,018.83 = 1,401.96 : x
2. Step 2: Convert to fraction form
   2,188.07/3,018.83 = 1,401.96/x
3. Step 3: Cross multiply
   2,188.07x = 3,018.83 × 1,401.96
4. Step 4: Simplify right side
   2,188.07x = 4,232,271.90
5. Step 5: Solve for x
   x = 4,232,271.90/2,188.07
6. Step 6: Final answer
   x = 1,934.25