Finding the Fourth Proportional to 82,716.96, 124,093.89 and 30,126.45

Step by Step Solution

1. Step 1: Write the proportion equation
   82,716.96 : 124,093.89 = 30,126.45 : x
2. Step 2: Convert to fraction form
   82,716.96/124,093.89 = 30,126.45/x
3. Step 3: Cross multiply
   82,716.96x = 124,093.89 × 30,126.45
4. Step 4: Simplify right side
   82,716.96x = 3,738,507,917.80
5. Step 5: Solve for x
   x = 3,738,507,917.80/82,716.96
6. Step 6: Final answer
   x = 45,196.39