Finding the Fourth Proportional to 2,188.84, 3,284.84 and 1,035.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.84 : 3,284.84 = 1,035.40 : x
2. Step 2: Convert to fraction form
   2,188.84/3,284.84 = 1,035.40/x
3. Step 3: Cross multiply
   2,188.84x = 3,284.84 × 1,035.40
4. Step 4: Simplify right side
   2,188.84x = 3,401,123.34
5. Step 5: Solve for x
   x = 3,401,123.34/2,188.84
6. Step 6: Final answer
   x = 1,553.85