Finding the Fourth Proportional to 82,142.26, 123,225.50 and 25,969.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,142.26 : 123,225.50 = 25,969.60 : x
2. Step 2: Convert to fraction form
   82,142.26/123,225.50 = 25,969.60/x
3. Step 3: Cross multiply
   82,142.26x = 123,225.50 × 25,969.60
4. Step 4: Simplify right side
   82,142.26x = 3,200,116,944.80
5. Step 5: Solve for x
   x = 3,200,116,944.80/82,142.26
6. Step 6: Final answer
   x = 38,958.23