Finding the Fourth Proportional to 2,384.16, 3,578.73 and 1,345.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.16 : 3,578.73 = 1,345.06 : x
2. Step 2: Convert to fraction form
   2,384.16/3,578.73 = 1,345.06/x
3. Step 3: Cross multiply
   2,384.16x = 3,578.73 × 1,345.06
4. Step 4: Simplify right side
   2,384.16x = 4,813,606.57
5. Step 5: Solve for x
   x = 4,813,606.57/2,384.16
6. Step 6: Final answer
   x = 2,018.99