Finding the Fourth Proportional to 110,300.70, 164,203.56 and 109,644.60

Step by Step Solution

1. Step 1: Write the proportion equation
   110,300.70 : 164,203.56 = 109,644.60 : x
2. Step 2: Convert to fraction form
   110,300.70/164,203.56 = 109,644.60/x
3. Step 3: Cross multiply
   110,300.70x = 164,203.56 × 109,644.60
4. Step 4: Simplify right side
   110,300.70x = 18,004,033,654.78
5. Step 5: Solve for x
   x = 18,004,033,654.78/110,300.70
6. Step 6: Final answer
   x = 163,226.83