Finding the Fourth Proportional to 81,451.82, 122,196.86 and 25,289.03

Step by Step Solution

1. Step 1: Write the proportion equation
   81,451.82 : 122,196.86 = 25,289.03 : x
2. Step 2: Convert to fraction form
   81,451.82/122,196.86 = 25,289.03/x
3. Step 3: Cross multiply
   81,451.82x = 122,196.86 × 25,289.03
4. Step 4: Simplify right side
   81,451.82x = 3,090,240,058.45
5. Step 5: Solve for x
   x = 3,090,240,058.45/81,451.82
6. Step 6: Final answer
   x = 37,939.48