Finding the Fourth Proportional to 82,586.00, 113,966.82 and 48,128.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,586.00 : 113,966.82 = 48,128.60 : x
2. Step 2: Convert to fraction form
   82,586.00/113,966.82 = 48,128.60/x
3. Step 3: Cross multiply
   82,586.00x = 113,966.82 × 48,128.60
4. Step 4: Simplify right side
   82,586.00x = 5,485,062,923.22
5. Step 5: Solve for x
   x = 5,485,062,923.22/82,586.00
6. Step 6: Final answer
   x = 66,416.38