Finding the Fourth Proportional to 82,137.55, 123,213.24 and 25,976.41

Step by Step Solution

1. Step 1: Write the proportion equation
   82,137.55 : 123,213.24 = 25,976.41 : x
2. Step 2: Convert to fraction form
   82,137.55/123,213.24 = 25,976.41/x
3. Step 3: Cross multiply
   82,137.55x = 123,213.24 × 25,976.41
4. Step 4: Simplify right side
   82,137.55x = 3,200,638,097.77
5. Step 5: Solve for x
   x = 3,200,638,097.77/82,137.55
6. Step 6: Final answer
   x = 38,966.81