Finding the Fourth Proportional to 82,137.95, 123,219.00 and 25,965.31

Step by Step Solution

1. Step 1: Write the proportion equation
   82,137.95 : 123,219.00 = 25,965.31 : x
2. Step 2: Convert to fraction form
   82,137.95/123,219.00 = 25,965.31/x
3. Step 3: Cross multiply
   82,137.95x = 123,219.00 × 25,965.31
4. Step 4: Simplify right side
   82,137.95x = 3,199,419,382.85
5. Step 5: Solve for x
   x = 3,199,419,382.85/82,137.95
6. Step 6: Final answer
   x = 38,951.78