Finding the Fourth Proportional to 82,712.16, 114,136.56 and 48,723.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,712.16 : 114,136.56 = 48,723.60 : x
2. Step 2: Convert to fraction form
   82,712.16/114,136.56 = 48,723.60/x
3. Step 3: Cross multiply
   82,712.16x = 114,136.56 × 48,723.60
4. Step 4: Simplify right side
   82,712.16x = 5,561,144,094.82
5. Step 5: Solve for x
   x = 5,561,144,094.82/82,712.16
6. Step 6: Final answer
   x = 67,234.90