Finding the Fourth Proportional to 151,743.24, 209,405.69 and 83,760.24

Step by Step Solution

1. Step 1: Write the proportion equation
   151,743.24 : 209,405.69 = 83,760.24 : x
2. Step 2: Convert to fraction form
   151,743.24/209,405.69 = 83,760.24/x
3. Step 3: Cross multiply
   151,743.24x = 209,405.69 × 83,760.24
4. Step 4: Simplify right side
   151,743.24x = 17,539,870,851.77
5. Step 5: Solve for x
   x = 17,539,870,851.77/151,743.24
6. Step 6: Final answer
   x = 115,589.14