Finding the Fourth Proportional to 82,260.04, 123,388.86 and 19,930.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,260.04 : 123,388.86 = 19,930.12 : x
2. Step 2: Convert to fraction form
   82,260.04/123,388.86 = 19,930.12/x
3. Step 3: Cross multiply
   82,260.04x = 123,388.86 × 19,930.12
4. Step 4: Simplify right side
   82,260.04x = 2,459,154,786.46
5. Step 5: Solve for x
   x = 2,459,154,786.46/82,260.04
6. Step 6: Final answer
   x = 29,894.89