Finding the Fourth Proportional to 172,664.85, 238,242.83 and 101,031.49

Step by Step Solution

1. Step 1: Write the proportion equation
   172,664.85 : 238,242.83 = 101,031.49 : x
2. Step 2: Convert to fraction form
   172,664.85/238,242.83 = 101,031.49/x
3. Step 3: Cross multiply
   172,664.85x = 238,242.83 × 101,031.49
4. Step 4: Simplify right side
   172,664.85x = 24,070,028,096.72
5. Step 5: Solve for x
   x = 24,070,028,096.72/172,664.85
6. Step 6: Final answer
   x = 139,403.17