Finding the Fourth Proportional to 2,382.86, 3,576.52 and 1,288.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.86 : 3,576.52 = 1,288.08 : x
2. Step 2: Convert to fraction form
   2,382.86/3,576.52 = 1,288.08/x
3. Step 3: Cross multiply
   2,382.86x = 3,576.52 × 1,288.08
4. Step 4: Simplify right side
   2,382.86x = 4,606,843.88
5. Step 5: Solve for x
   x = 4,606,843.88/2,382.86
6. Step 6: Final answer
   x = 1,933.33