Finding the Fourth Proportional to 303,687.89, 419,089.28 and 176,371.69

Step by Step Solution

1. Step 1: Write the proportion equation
   303,687.89 : 419,089.28 = 176,371.69 : x
2. Step 2: Convert to fraction form
   303,687.89/419,089.28 = 176,371.69/x
3. Step 3: Cross multiply
   303,687.89x = 419,089.28 × 176,371.69
4. Step 4: Simplify right side
   303,687.89x = 73,915,483,967.69
5. Step 5: Solve for x
   x = 73,915,483,967.69/303,687.89
6. Step 6: Final answer
   x = 243,392.92