Finding the Fourth Proportional to 82,259.54, 123,388.11 and 19,929.62

Step by Step Solution

1. Step 1: Write the proportion equation
   82,259.54 : 123,388.11 = 19,929.62 : x
2. Step 2: Convert to fraction form
   82,259.54/123,388.11 = 19,929.62/x
3. Step 3: Cross multiply
   82,259.54x = 123,388.11 × 19,929.62
4. Step 4: Simplify right side
   82,259.54x = 2,459,078,144.82
5. Step 5: Solve for x
   x = 2,459,078,144.82/82,259.54
6. Step 6: Final answer
   x = 29,894.14