Finding the Fourth Proportional to 151,174.27, 208,629.12 and 86,654.26

Step by Step Solution

1. Step 1: Write the proportion equation
   151,174.27 : 208,629.12 = 86,654.26 : x
2. Step 2: Convert to fraction form
   151,174.27/208,629.12 = 86,654.26/x
3. Step 3: Cross multiply
   151,174.27x = 208,629.12 × 86,654.26
4. Step 4: Simplify right side
   151,174.27x = 18,078,600,932.82
5. Step 5: Solve for x
   x = 18,078,600,932.82/151,174.27
6. Step 6: Final answer
   x = 119,587.81