Finding the Fourth Proportional to 1,819.76, 2,513.03 and 1,568.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.76 : 2,513.03 = 1,568.72 : x
2. Step 2: Convert to fraction form
   1,819.76/2,513.03 = 1,568.72/x
3. Step 3: Cross multiply
   1,819.76x = 2,513.03 × 1,568.72
4. Step 4: Simplify right side
   1,819.76x = 3,942,238.86
5. Step 5: Solve for x
   x = 3,942,238.86/1,819.76
6. Step 6: Final answer
   x = 2,166.36