Finding the Fourth Proportional to 151,743.15, 209,405.56 and 83,760.14

Step by Step Solution

1. Step 1: Write the proportion equation
   151,743.15 : 209,405.56 = 83,760.14 : x
2. Step 2: Convert to fraction form
   151,743.15/209,405.56 = 83,760.14/x
3. Step 3: Cross multiply
   151,743.15x = 209,405.56 × 83,760.14
4. Step 4: Simplify right side
   151,743.15x = 17,539,839,022.38
5. Step 5: Solve for x
   x = 17,539,839,022.38/151,743.15
6. Step 6: Final answer
   x = 115,589.00