Finding the Fourth Proportional to 149,016.24, 205,538.31 and 101,186.55

Step by Step Solution

1. Step 1: Write the proportion equation
   149,016.24 : 205,538.31 = 101,186.55 : x
2. Step 2: Convert to fraction form
   149,016.24/205,538.31 = 101,186.55/x
3. Step 3: Cross multiply
   149,016.24x = 205,538.31 × 101,186.55
4. Step 4: Simplify right side
   149,016.24x = 20,797,712,481.73
5. Step 5: Solve for x
   x = 20,797,712,481.73/149,016.24
6. Step 6: Final answer
   x = 139,566.75