Finding the Fourth Proportional to 172,910.27, 238,615.71 and 96,429.45

Step by Step Solution

1. Step 1: Write the proportion equation
   172,910.27 : 238,615.71 = 96,429.45 : x
2. Step 2: Convert to fraction form
   172,910.27/238,615.71 = 96,429.45/x
3. Step 3: Cross multiply
   172,910.27x = 238,615.71 × 96,429.45
4. Step 4: Simplify right side
   172,910.27x = 23,009,581,676.66
5. Step 5: Solve for x
   x = 23,009,581,676.66/172,910.27
6. Step 6: Final answer
   x = 133,072.38