Finding the Fourth Proportional to 166,239.50, 229,486.04 and 105,892.88

Step by Step Solution

1. Step 1: Write the proportion equation
   166,239.50 : 229,486.04 = 105,892.88 : x
2. Step 2: Convert to fraction form
   166,239.50/229,486.04 = 105,892.88/x
3. Step 3: Cross multiply
   166,239.50x = 229,486.04 × 105,892.88
4. Step 4: Simplify right side
   166,239.50x = 24,300,936,018.50
5. Step 5: Solve for x
   x = 24,300,936,018.50/166,239.50
6. Step 6: Final answer
   x = 146,180.28