Finding the Fourth Proportional to 172,664.98, 238,222.83 and 97,198.90

Step by Step Solution

1. Step 1: Write the proportion equation
   172,664.98 : 238,222.83 = 97,198.90 : x
2. Step 2: Convert to fraction form
   172,664.98/238,222.83 = 97,198.90/x
3. Step 3: Cross multiply
   172,664.98x = 238,222.83 × 97,198.90
4. Step 4: Simplify right side
   172,664.98x = 23,154,997,030.89
5. Step 5: Solve for x
   x = 23,154,997,030.89/172,664.98
6. Step 6: Final answer
   x = 134,103.61