Finding the Fourth Proportional to 2,763.67, 3,813.82 and 1,521.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,763.67 : 3,813.82 = 1,521.67 : x
2. Step 2: Convert to fraction form
   2,763.67/3,813.82 = 1,521.67/x
3. Step 3: Cross multiply
   2,763.67x = 3,813.82 × 1,521.67
4. Step 4: Simplify right side
   2,763.67x = 5,803,375.48
5. Step 5: Solve for x
   x = 5,803,375.48/2,763.67
6. Step 6: Final answer
   x = 2,099.88