Finding the Fourth Proportional to 78,196.78, 117,303.37 and 25,610.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,196.78 : 117,303.37 = 25,610.37 : x
2. Step 2: Convert to fraction form
   78,196.78/117,303.37 = 25,610.37/x
3. Step 3: Cross multiply
   78,196.78x = 117,303.37 × 25,610.37
4. Step 4: Simplify right side
   78,196.78x = 3,004,182,707.95
5. Step 5: Solve for x
   x = 3,004,182,707.95/78,196.78
6. Step 6: Final answer
   x = 38,418.24