Finding the Fourth Proportional to 231,953.91, 347,832.45 and 82,231.89

Step by Step Solution

1. Step 1: Write the proportion equation
   231,953.91 : 347,832.45 = 82,231.89 : x
2. Step 2: Convert to fraction form
   231,953.91/347,832.45 = 82,231.89/x
3. Step 3: Cross multiply
   231,953.91x = 347,832.45 × 82,231.89
4. Step 4: Simplify right side
   231,953.91x = 28,602,919,766.83
5. Step 5: Solve for x
   x = 28,602,919,766.83/231,953.91
6. Step 6: Final answer
   x = 123,312.95