Finding the Fourth Proportional to 82,719.34, 124,134.60 and 82,414.99

Step by Step Solution

1. Step 1: Write the proportion equation
   82,719.34 : 124,134.60 = 82,414.99 : x
2. Step 2: Convert to fraction form
   82,719.34/124,134.60 = 82,414.99/x
3. Step 3: Cross multiply
   82,719.34x = 124,134.60 × 82,414.99
4. Step 4: Simplify right side
   82,719.34x = 10,230,551,817.65
5. Step 5: Solve for x
   x = 10,230,551,817.65/82,719.34
6. Step 6: Final answer
   x = 123,677.87