Finding the Fourth Proportional to 443,194.50, 611,610.03 and 241,990.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,194.50 : 611,610.03 = 241,990.50 : x
2. Step 2: Convert to fraction form
   443,194.50/611,610.03 = 241,990.50/x
3. Step 3: Cross multiply
   443,194.50x = 611,610.03 × 241,990.50
4. Step 4: Simplify right side
   443,194.50x = 148,003,816,964.72
5. Step 5: Solve for x
   x = 148,003,816,964.72/443,194.50
6. Step 6: Final answer
   x = 333,947.77