Finding the Fourth Proportional to 309,061.59, 462,990.96 and 227,860.71

Step by Step Solution

1. Step 1: Write the proportion equation
   309,061.59 : 462,990.96 = 227,860.71 : x
2. Step 2: Convert to fraction form
   309,061.59/462,990.96 = 227,860.71/x
3. Step 3: Cross multiply
   309,061.59x = 462,990.96 × 227,860.71
4. Step 4: Simplify right side
   309,061.59x = 105,497,448,869.18
5. Step 5: Solve for x
   x = 105,497,448,869.18/309,061.59
6. Step 6: Final answer
   x = 341,347.65