Finding the Fourth Proportional to 140,973.54, 194,525.55 and 80,548.10

Step by Step Solution

1. Step 1: Write the proportion equation
   140,973.54 : 194,525.55 = 80,548.10 : x
2. Step 2: Convert to fraction form
   140,973.54/194,525.55 = 80,548.10/x
3. Step 3: Cross multiply
   140,973.54x = 194,525.55 × 80,548.10
4. Step 4: Simplify right side
   140,973.54x = 15,668,662,481.33
5. Step 5: Solve for x
   x = 15,668,662,481.33/140,973.54
6. Step 6: Final answer
   x = 111,146.12