Finding the Fourth Proportional to 230,404.37, 345,554.69 and 82,660.37

Step by Step Solution

1. Step 1: Write the proportion equation
   230,404.37 : 345,554.69 = 82,660.37 : x
2. Step 2: Convert to fraction form
   230,404.37/345,554.69 = 82,660.37/x
3. Step 3: Cross multiply
   230,404.37x = 345,554.69 × 82,660.37
4. Step 4: Simplify right side
   230,404.37x = 28,563,676,389.56
5. Step 5: Solve for x
   x = 28,563,676,389.56/230,404.37
6. Step 6: Final answer
   x = 123,971.94