Finding the Fourth Proportional to 557,613.89, 769,510.37 and 302,967.17

Step by Step Solution

1. Step 1: Write the proportion equation
   557,613.89 : 769,510.37 = 302,967.17 : x
2. Step 2: Convert to fraction form
   557,613.89/769,510.37 = 302,967.17/x
3. Step 3: Cross multiply
   557,613.89x = 769,510.37 × 302,967.17
4. Step 4: Simplify right side
   557,613.89x = 233,136,377,569.72
5. Step 5: Solve for x
   x = 233,136,377,569.72/557,613.89
6. Step 6: Final answer
   x = 418,096.43