Finding the Fourth Proportional to 82,290.48, 113,558.54 and 48,756.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,290.48 : 113,558.54 = 48,756.48 : x
2. Step 2: Convert to fraction form
   82,290.48/113,558.54 = 48,756.48/x
3. Step 3: Cross multiply
   82,290.48x = 113,558.54 × 48,756.48
4. Step 4: Simplify right side
   82,290.48x = 5,536,714,440.56
5. Step 5: Solve for x
   x = 5,536,714,440.56/82,290.48
6. Step 6: Final answer
   x = 67,282.56