Finding the Fourth Proportional to 2,382.68, 3,289.59 and 1,499.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.68 : 3,289.59 = 1,499.78 : x
2. Step 2: Convert to fraction form
   2,382.68/3,289.59 = 1,499.78/x
3. Step 3: Cross multiply
   2,382.68x = 3,289.59 × 1,499.78
4. Step 4: Simplify right side
   2,382.68x = 4,933,661.29
5. Step 5: Solve for x
   x = 4,933,661.29/2,382.68
6. Step 6: Final answer
   x = 2,070.64