Finding the Fourth Proportional to 82,880.10, 124,320.15 and 41,408.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,880.10 : 124,320.15 = 41,408.10 : x
2. Step 2: Convert to fraction form
   82,880.10/124,320.15 = 41,408.10/x
3. Step 3: Cross multiply
   82,880.10x = 124,320.15 × 41,408.10
4. Step 4: Simplify right side
   82,880.10x = 5,147,861,203.22
5. Step 5: Solve for x
   x = 5,147,861,203.22/82,880.10
6. Step 6: Final answer
   x = 62,112.15