Finding the Fourth Proportional to 411,419.72, 567,811.80 and 230,141.72

Step by Step Solution

1. Step 1: Write the proportion equation
   411,419.72 : 567,811.80 = 230,141.72 : x
2. Step 2: Convert to fraction form
   411,419.72/567,811.80 = 230,141.72/x
3. Step 3: Cross multiply
   411,419.72x = 567,811.80 × 230,141.72
4. Step 4: Simplify right side
   411,419.72x = 130,677,184,288.30
5. Step 5: Solve for x
   x = 130,677,184,288.30/411,419.72
6. Step 6: Final answer
   x = 317,624.99