Finding the Fourth Proportional to 70,078.94, 105,132.25 and 25,706.10

Step by Step Solution

1. Step 1: Write the proportion equation
   70,078.94 : 105,132.25 = 25,706.10 : x
2. Step 2: Convert to fraction form
   70,078.94/105,132.25 = 25,706.10/x
3. Step 3: Cross multiply
   70,078.94x = 105,132.25 × 25,706.10
4. Step 4: Simplify right side
   70,078.94x = 2,702,540,131.73
5. Step 5: Solve for x
   x = 2,702,540,131.73/70,078.94
6. Step 6: Final answer
   x = 38,564.23