Finding the Fourth Proportional to 2,327.57, 3,212.04 and 1,319.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.57 : 3,212.04 = 1,319.47 : x
2. Step 2: Convert to fraction form
   2,327.57/3,212.04 = 1,319.47/x
3. Step 3: Cross multiply
   2,327.57x = 3,212.04 × 1,319.47
4. Step 4: Simplify right side
   2,327.57x = 4,238,190.71
5. Step 5: Solve for x
   x = 4,238,190.71/2,327.57
6. Step 6: Final answer
   x = 1,820.86