Finding the Fourth Proportional to 303,385.27, 418,671.31 and 167,419.15

Step by Step Solution

1. Step 1: Write the proportion equation
   303,385.27 : 418,671.31 = 167,419.15 : x
2. Step 2: Convert to fraction form
   303,385.27/418,671.31 = 167,419.15/x
3. Step 3: Cross multiply
   303,385.27x = 418,671.31 × 167,419.15
4. Step 4: Simplify right side
   303,385.27x = 70,093,594,849.59
5. Step 5: Solve for x
   x = 70,093,594,849.59/303,385.27
6. Step 6: Final answer
   x = 231,038.23