Finding the Fourth Proportional to 82,280.09, 123,420.17 and 19,950.59

Step by Step Solution

1. Step 1: Write the proportion equation
   82,280.09 : 123,420.17 = 19,950.59 : x
2. Step 2: Convert to fraction form
   82,280.09/123,420.17 = 19,950.59/x
3. Step 3: Cross multiply
   82,280.09x = 123,420.17 × 19,950.59
4. Step 4: Simplify right side
   82,280.09x = 2,462,305,209.40
5. Step 5: Solve for x
   x = 2,462,305,209.40/82,280.09
6. Step 6: Final answer
   x = 29,925.89