Finding the Fourth Proportional to 172,971, 238,700.22 and 96,495.03

Step by Step Solution

1. Step 1: Write the proportion equation
   172,971 : 238,700.22 = 96,495.03 : x
2. Step 2: Convert to fraction form
   172,971/238,700.22 = 96,495.03/x
3. Step 3: Cross multiply
   172,971x = 238,700.22 × 96,495.03
4. Step 4: Simplify right side
   172,971x = 23,033,384,889.91
5. Step 5: Solve for x
   x = 23,033,384,889.91/172,971
6. Step 6: Final answer
   x = 133,163.28