Finding the Fourth Proportional to 1,319.76, 1,819.62 and 846.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,319.76 : 1,819.62 = 846.83 : x
2. Step 2: Convert to fraction form
   1,319.76/1,819.62 = 846.83/x
3. Step 3: Cross multiply
   1,319.76x = 1,819.62 × 846.83
4. Step 4: Simplify right side
   1,319.76x = 1,540,900.56
5. Step 5: Solve for x
   x = 1,540,900.56/1,319.76
6. Step 6: Final answer
   x = 1,167.56