Finding the Fourth Proportional to 303,012.78, 418,159.71 and 168,885.42

Step by Step Solution

1. Step 1: Write the proportion equation
   303,012.78 : 418,159.71 = 168,885.42 : x
2. Step 2: Convert to fraction form
   303,012.78/418,159.71 = 168,885.42/x
3. Step 3: Cross multiply
   303,012.78x = 418,159.71 × 168,885.42
4. Step 4: Simplify right side
   303,012.78x = 70,621,078,250.43
5. Step 5: Solve for x
   x = 70,621,078,250.43/303,012.78
6. Step 6: Final answer
   x = 233,063.04