Finding the Fourth Proportional to 140,114.50, 193,362.28 and 79,693.83

Step by Step Solution

1. Step 1: Write the proportion equation
   140,114.50 : 193,362.28 = 79,693.83 : x
2. Step 2: Convert to fraction form
   140,114.50/193,362.28 = 79,693.83/x
3. Step 3: Cross multiply
   140,114.50x = 193,362.28 × 79,693.83
4. Step 4: Simplify right side
   140,114.50x = 15,409,780,471.50
5. Step 5: Solve for x
   x = 15,409,780,471.50/140,114.50
6. Step 6: Final answer
   x = 109,979.91