Finding the Fourth Proportional to 78,589.98, 117,878.49 and 25,982.10

Step by Step Solution

1. Step 1: Write the proportion equation
   78,589.98 : 117,878.49 = 25,982.10 : x
2. Step 2: Convert to fraction form
   78,589.98/117,878.49 = 25,982.10/x
3. Step 3: Cross multiply
   78,589.98x = 117,878.49 × 25,982.10
4. Step 4: Simplify right side
   78,589.98x = 3,062,730,715.03
5. Step 5: Solve for x
   x = 3,062,730,715.03/78,589.98
6. Step 6: Final answer
   x = 38,971.01