Finding the Fourth Proportional to 78,768.93, 118,168.78 and 25,474.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,768.93 : 118,168.78 = 25,474.15 : x
2. Step 2: Convert to fraction form
   78,768.93/118,168.78 = 25,474.15/x
3. Step 3: Cross multiply
   78,768.93x = 118,168.78 × 25,474.15
4. Step 4: Simplify right side
   78,768.93x = 3,010,249,227.04
5. Step 5: Solve for x
   x = 3,010,249,227.04/78,768.93
6. Step 6: Final answer
   x = 38,216.20