Finding the Fourth Proportional to 140,085.25, 193,323.04 and 79,661.34

Step by Step Solution

1. Step 1: Write the proportion equation
   140,085.25 : 193,323.04 = 79,661.34 : x
2. Step 2: Convert to fraction form
   140,085.25/193,323.04 = 79,661.34/x
3. Step 3: Cross multiply
   140,085.25x = 193,323.04 × 79,661.34
4. Step 4: Simplify right side
   140,085.25x = 15,400,372,220.12
5. Step 5: Solve for x
   x = 15,400,372,220.12/140,085.25
6. Step 6: Final answer
   x = 109,935.72