Finding the Fourth Proportional to 110,009.49, 165,097.82 and 80,503.47

Step by Step Solution

1. Step 1: Write the proportion equation
   110,009.49 : 165,097.82 = 80,503.47 : x
2. Step 2: Convert to fraction form
   110,009.49/165,097.82 = 80,503.47/x
3. Step 3: Cross multiply
   110,009.49x = 165,097.82 × 80,503.47
4. Step 4: Simplify right side
   110,009.49x = 13,290,946,996.92
5. Step 5: Solve for x
   x = 13,290,946,996.92/110,009.49
6. Step 6: Final answer
   x = 120,816.37