Finding the Fourth Proportional to 151,523.20, 209,103.42 and 83,542.56

Step by Step Solution

1. Step 1: Write the proportion equation
   151,523.20 : 209,103.42 = 83,542.56 : x
2. Step 2: Convert to fraction form
   151,523.20/209,103.42 = 83,542.56/x
3. Step 3: Cross multiply
   151,523.20x = 209,103.42 × 83,542.56
4. Step 4: Simplify right side
   151,523.20x = 17,469,035,011.56
5. Step 5: Solve for x
   x = 17,469,035,011.56/151,523.20
6. Step 6: Final answer
   x = 115,289.51