Finding the Fourth Proportional to 303,019.32, 454,662.87 and 158,890.72

Step by Step Solution

1. Step 1: Write the proportion equation
   303,019.32 : 454,662.87 = 158,890.72 : x
2. Step 2: Convert to fraction form
   303,019.32/454,662.87 = 158,890.72/x
3. Step 3: Cross multiply
   303,019.32x = 454,662.87 × 158,890.72
4. Step 4: Simplify right side
   303,019.32x = 72,241,710,771.57
5. Step 5: Solve for x
   x = 72,241,710,771.57/303,019.32
6. Step 6: Final answer
   x = 238,406.29