Finding the Fourth Proportional to 413,978.00, 571,305.83 and 232,689.38

Step by Step Solution

1. Step 1: Write the proportion equation
   413,978.00 : 571,305.83 = 232,689.38 : x
2. Step 2: Convert to fraction form
   413,978.00/571,305.83 = 232,689.38/x
3. Step 3: Cross multiply
   413,978.00x = 571,305.83 × 232,689.38
4. Step 4: Simplify right side
   413,978.00x = 132,936,795,353.11
5. Step 5: Solve for x
   x = 132,936,795,353.11/413,978.00
6. Step 6: Final answer
   x = 321,120.44