Finding the Fourth Proportional to 231,720.89, 347,636.83 and 96,709.89

Step by Step Solution

1. Step 1: Write the proportion equation
   231,720.89 : 347,636.83 = 96,709.89 : x
2. Step 2: Convert to fraction form
   231,720.89/347,636.83 = 96,709.89/x
3. Step 3: Cross multiply
   231,720.89x = 347,636.83 × 96,709.89
4. Step 4: Simplify right side
   231,720.89x = 33,619,919,347.47
5. Step 5: Solve for x
   x = 33,619,919,347.47/231,720.89
6. Step 6: Final answer
   x = 145,087.99