Finding the Fourth Proportional to 82,260.54, 123,389.61 and 19,930.62

Step by Step Solution

1. Step 1: Write the proportion equation
   82,260.54 : 123,389.61 = 19,930.62 : x
2. Step 2: Convert to fraction form
   82,260.54/123,389.61 = 19,930.62/x
3. Step 3: Cross multiply
   82,260.54x = 123,389.61 × 19,930.62
4. Step 4: Simplify right side
   82,260.54x = 2,459,231,428.86
5. Step 5: Solve for x
   x = 2,459,231,428.86/82,260.54
6. Step 6: Final answer
   x = 29,895.64