Finding the Fourth Proportional to 2,290.32, 3,162.06 and 1,544.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.32 : 3,162.06 = 1,544.40 : x
2. Step 2: Convert to fraction form
   2,290.32/3,162.06 = 1,544.40/x
3. Step 3: Cross multiply
   2,290.32x = 3,162.06 × 1,544.40
4. Step 4: Simplify right side
   2,290.32x = 4,883,485.46
5. Step 5: Solve for x
   x = 4,883,485.46/2,290.32
6. Step 6: Final answer
   x = 2,132.23