Finding the Fourth Proportional to 2,384.94, 3,578.13 and 1,152.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.94 : 3,578.13 = 1,152.12 : x
2. Step 2: Convert to fraction form
   2,384.94/3,578.13 = 1,152.12/x
3. Step 3: Cross multiply
   2,384.94x = 3,578.13 × 1,152.12
4. Step 4: Simplify right side
   2,384.94x = 4,122,435.14
5. Step 5: Solve for x
   x = 4,122,435.14/2,384.94
6. Step 6: Final answer
   x = 1,728.53