Finding the Fourth Proportional to 241,358.96, 333,091.17 and 139,388.72

Step by Step Solution

1. Step 1: Write the proportion equation
   241,358.96 : 333,091.17 = 139,388.72 : x
2. Step 2: Convert to fraction form
   241,358.96/333,091.17 = 139,388.72/x
3. Step 3: Cross multiply
   241,358.96x = 333,091.17 × 139,388.72
4. Step 4: Simplify right side
   241,358.96x = 46,429,150,164.15
5. Step 5: Solve for x
   x = 46,429,150,164.15/241,358.96
6. Step 6: Final answer
   x = 192,365.55