Finding the Fourth Proportional to 1,786.31, 2,465.88 and 1,344.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786.31 : 2,465.88 = 1,344.32 : x
2. Step 2: Convert to fraction form
   1,786.31/2,465.88 = 1,344.32/x
3. Step 3: Cross multiply
   1,786.31x = 2,465.88 × 1,344.32
4. Step 4: Simplify right side
   1,786.31x = 3,314,931.80
5. Step 5: Solve for x
   x = 3,314,931.80/1,786.31
6. Step 6: Final answer
   x = 1,855.74