Finding the Fourth Proportional to 140,485.50, 193,875.12 and 80,065.38

Step by Step Solution

1. Step 1: Write the proportion equation
   140,485.50 : 193,875.12 = 80,065.38 : x
2. Step 2: Convert to fraction form
   140,485.50/193,875.12 = 80,065.38/x
3. Step 3: Cross multiply
   140,485.50x = 193,875.12 × 80,065.38
4. Step 4: Simplify right side
   140,485.50x = 15,522,685,155.35
5. Step 5: Solve for x
   x = 15,522,685,155.35/140,485.50
6. Step 6: Final answer
   x = 110,493.15