Finding the Fourth Proportional to 81,419.45, 122,146.59 and 25,258.34

Step by Step Solution

1. Step 1: Write the proportion equation
   81,419.45 : 122,146.59 = 25,258.34 : x
2. Step 2: Convert to fraction form
   81,419.45/122,146.59 = 25,258.34/x
3. Step 3: Cross multiply
   81,419.45x = 122,146.59 × 25,258.34
4. Step 4: Simplify right side
   81,419.45x = 3,085,220,100.06
5. Step 5: Solve for x
   x = 3,085,220,100.06/81,419.45
6. Step 6: Final answer
   x = 37,892.91