Finding the Fourth Proportional to 240,105.30, 360,383.94 and 121,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   240,105.30 : 360,383.94 = 121,861.50 : x
2. Step 2: Convert to fraction form
   240,105.30/360,383.94 = 121,861.50/x
3. Step 3: Cross multiply
   240,105.30x = 360,383.94 × 121,861.50
4. Step 4: Simplify right side
   240,105.30x = 43,916,927,504.31
5. Step 5: Solve for x
   x = 43,916,927,504.31/240,105.30
6. Step 6: Final answer
   x = 182,906.95