Finding the Fourth Proportional to 151,743.74, 209,406.38 and 83,760.74

Step by Step Solution

1. Step 1: Write the proportion equation
   151,743.74 : 209,406.38 = 83,760.74 : x
2. Step 2: Convert to fraction form
   151,743.74/209,406.38 = 83,760.74/x
3. Step 3: Cross multiply
   151,743.74x = 209,406.38 × 83,760.74
4. Step 4: Simplify right side
   151,743.74x = 17,540,031,883.69
5. Step 5: Solve for x
   x = 17,540,031,883.69/151,743.74
6. Step 6: Final answer
   x = 115,589.82