Finding the Fourth Proportional to 493,382.88, 680,884.72 and 302,359.37

Step by Step Solution

1. Step 1: Write the proportion equation
   493,382.88 : 680,884.72 = 302,359.37 : x
2. Step 2: Convert to fraction form
   493,382.88/680,884.72 = 302,359.37/x
3. Step 3: Cross multiply
   493,382.88x = 680,884.72 × 302,359.37
4. Step 4: Simplify right side
   493,382.88x = 205,871,870,821.50
5. Step 5: Solve for x
   x = 205,871,870,821.50/493,382.88
6. Step 6: Final answer
   x = 417,265.94