Finding the Fourth Proportional to 82,324.32, 123,485.52 and 19,994.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,324.32 : 123,485.52 = 19,994.88 : x
2. Step 2: Convert to fraction form
   82,324.32/123,485.52 = 19,994.88/x
3. Step 3: Cross multiply
   82,324.32x = 123,485.52 × 19,994.88
4. Step 4: Simplify right side
   82,324.32x = 2,469,078,154.14
5. Step 5: Solve for x
   x = 2,469,078,154.14/82,324.32
6. Step 6: Final answer
   x = 29,992.09