Finding the Fourth Proportional to 3,787.68, 5,682.86 and 1,323.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,787.68 : 5,682.86 = 1,323.18 : x
2. Step 2: Convert to fraction form
   3,787.68/5,682.86 = 1,323.18/x
3. Step 3: Cross multiply
   3,787.68x = 5,682.86 × 1,323.18
4. Step 4: Simplify right side
   3,787.68x = 7,519,446.69
5. Step 5: Solve for x
   x = 7,519,446.69/3,787.68
6. Step 6: Final answer
   x = 1,985.24