Finding the Fourth Proportional to 82,440.48, 113,757.52 and 48,900

Step by Step Solution

1. Step 1: Write the proportion equation
   82,440.48 : 113,757.52 = 48,900 : x
2. Step 2: Convert to fraction form
   82,440.48/113,757.52 = 48,900/x
3. Step 3: Cross multiply
   82,440.48x = 113,757.52 × 48,900
4. Step 4: Simplify right side
   82,440.48x = 5,562,742,728
5. Step 5: Solve for x
   x = 5,562,742,728/82,440.48
6. Step 6: Final answer
   x = 67,475.87