Finding the Fourth Proportional to 333,931.53, 460,680.71 and 220,911.69

Step by Step Solution

1. Step 1: Write the proportion equation
   333,931.53 : 460,680.71 = 220,911.69 : x
2. Step 2: Convert to fraction form
   333,931.53/460,680.71 = 220,911.69/x
3. Step 3: Cross multiply
   333,931.53x = 460,680.71 × 220,911.69
4. Step 4: Simplify right side
   333,931.53x = 101,769,753,091.94
5. Step 5: Solve for x
   x = 101,769,753,091.94/333,931.53
6. Step 6: Final answer
   x = 304,762.34