Finding the Fourth Proportional to 2,314.86, 3,193.88 and 1,319.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.86 : 3,193.88 = 1,319.78 : x
2. Step 2: Convert to fraction form
   2,314.86/3,193.88 = 1,319.78/x
3. Step 3: Cross multiply
   2,314.86x = 3,193.88 × 1,319.78
4. Step 4: Simplify right side
   2,314.86x = 4,215,196.38
5. Step 5: Solve for x
   x = 4,215,196.38/2,314.86
6. Step 6: Final answer
   x = 1,820.93