Finding the Fourth Proportional to 2,364.09, 3,546.60 and 978.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,364.09 : 3,546.60 = 978.18 : x
2. Step 2: Convert to fraction form
   2,364.09/3,546.60 = 978.18/x
3. Step 3: Cross multiply
   2,364.09x = 3,546.60 × 978.18
4. Step 4: Simplify right side
   2,364.09x = 3,469,213.19
5. Step 5: Solve for x
   x = 3,469,213.19/2,364.09
6. Step 6: Final answer
   x = 1,467.46