Finding the Fourth Proportional to 2,364.81, 3,546.05 and 978.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,364.81 : 3,546.05 = 978.27 : x
2. Step 2: Convert to fraction form
   2,364.81/3,546.05 = 978.27/x
3. Step 3: Cross multiply
   2,364.81x = 3,546.05 × 978.27
4. Step 4: Simplify right side
   2,364.81x = 3,468,989.44
5. Step 5: Solve for x
   x = 3,468,989.44/2,364.81
6. Step 6: Final answer
   x = 1,466.92