Finding the Fourth Proportional to 78,964.14, 118,464.78 and 25,655.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,964.14 : 118,464.78 = 25,655.94 : x
2. Step 2: Convert to fraction form
   78,964.14/118,464.78 = 25,655.94/x
3. Step 3: Cross multiply
   78,964.14x = 118,464.78 × 25,655.94
4. Step 4: Simplify right side
   78,964.14x = 3,039,325,287.79
5. Step 5: Solve for x
   x = 3,039,325,287.79/78,964.14
6. Step 6: Final answer
   x = 38,489.94