Finding the Fourth Proportional to 1,786.03, 2,464.63 and 978.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786.03 : 2,464.63 = 978.47 : x
2. Step 2: Convert to fraction form
   1,786.03/2,464.63 = 978.47/x
3. Step 3: Cross multiply
   1,786.03x = 2,464.63 × 978.47
4. Step 4: Simplify right side
   1,786.03x = 2,411,566.52
5. Step 5: Solve for x
   x = 2,411,566.52/1,786.03
6. Step 6: Final answer
   x = 1,350.24