Finding the Fourth Proportional to 3,530.69, 4,871.72 and 2,038.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530.69 : 4,871.72 = 2,038.67 : x
2. Step 2: Convert to fraction form
   3,530.69/4,871.72 = 2,038.67/x
3. Step 3: Cross multiply
   3,530.69x = 4,871.72 × 2,038.67
4. Step 4: Simplify right side
   3,530.69x = 9,931,819.22
5. Step 5: Solve for x
   x = 9,931,819.22/3,530.69
6. Step 6: Final answer
   x = 2,813.00