Finding the Fourth Proportional to 418,022.72, 576,861.86 and 227,032

Step by Step Solution

1. Step 1: Write the proportion equation
   418,022.72 : 576,861.86 = 227,032 : x
2. Step 2: Convert to fraction form
   418,022.72/576,861.86 = 227,032/x
3. Step 3: Cross multiply
   418,022.72x = 576,861.86 × 227,032
4. Step 4: Simplify right side
   418,022.72x = 130,966,101,799.52
5. Step 5: Solve for x
   x = 130,966,101,799.52/418,022.72
6. Step 6: Final answer
   x = 313,299.00