Finding the Fourth Proportional to 2,314.31, 3,472.61 and 1,219.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.31 : 3,472.61 = 1,219.46 : x
2. Step 2: Convert to fraction form
   2,314.31/3,472.61 = 1,219.46/x
3. Step 3: Cross multiply
   2,314.31x = 3,472.61 × 1,219.46
4. Step 4: Simplify right side
   2,314.31x = 4,234,685.53
5. Step 5: Solve for x
   x = 4,234,685.53/2,314.31
6. Step 6: Final answer
   x = 1,829.79