Finding the Fourth Proportional to 3,145.62, 4,341.34 and 1,819.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,145.62 : 4,341.34 = 1,819.34 : x
2. Step 2: Convert to fraction form
   3,145.62/4,341.34 = 1,819.34/x
3. Step 3: Cross multiply
   3,145.62x = 4,341.34 × 1,819.34
4. Step 4: Simplify right side
   3,145.62x = 7,898,373.52
5. Step 5: Solve for x
   x = 7,898,373.52/3,145.62
6. Step 6: Final answer
   x = 2,510.91