Finding the Fourth Proportional to 78,059.09, 117,100.83 and 25,456.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,059.09 : 117,100.83 = 25,456.34 : x
2. Step 2: Convert to fraction form
   78,059.09/117,100.83 = 25,456.34/x
3. Step 3: Cross multiply
   78,059.09x = 117,100.83 × 25,456.34
4. Step 4: Simplify right side
   78,059.09x = 2,980,958,542.76
5. Step 5: Solve for x
   x = 2,980,958,542.76/78,059.09
6. Step 6: Final answer
   x = 38,188.49