Finding the Fourth Proportional to 303,443.93, 418,515.89 and 194,558.67

Step by Step Solution

1. Step 1: Write the proportion equation
   303,443.93 : 418,515.89 = 194,558.67 : x
2. Step 2: Convert to fraction form
   303,443.93/418,515.89 = 194,558.67/x
3. Step 3: Cross multiply
   303,443.93x = 418,515.89 × 194,558.67
4. Step 4: Simplify right side
   303,443.93x = 81,425,894,932.27
5. Step 5: Solve for x
   x = 81,425,894,932.27/303,443.93
6. Step 6: Final answer
   x = 268,339.18