Finding the Fourth Proportional to 162,105.80, 243,101.10 and 73,401.80

Step by Step Solution

1. Step 1: Write the proportion equation
   162,105.80 : 243,101.10 = 73,401.80 : x
2. Step 2: Convert to fraction form
   162,105.80/243,101.10 = 73,401.80/x
3. Step 3: Cross multiply
   162,105.80x = 243,101.10 × 73,401.80
4. Step 4: Simplify right side
   162,105.80x = 17,844,058,321.98
5. Step 5: Solve for x
   x = 17,844,058,321.98/162,105.80
6. Step 6: Final answer
   x = 110,076.62