Finding the Fourth Proportional to 82,601.94, 123,028.63 and 82,199.22

Step by Step Solution

1. Step 1: Write the proportion equation
   82,601.94 : 123,028.63 = 82,199.22 : x
2. Step 2: Convert to fraction form
   82,601.94/123,028.63 = 82,199.22/x
3. Step 3: Cross multiply
   82,601.94x = 123,028.63 × 82,199.22
4. Step 4: Simplify right side
   82,601.94x = 10,112,857,423.67
5. Step 5: Solve for x
   x = 10,112,857,423.67/82,601.94
6. Step 6: Final answer
   x = 122,428.81