Finding the Fourth Proportional to 380,196.72, 524,635.56 and 227,204.46

Step by Step Solution

1. Step 1: Write the proportion equation
   380,196.72 : 524,635.56 = 227,204.46 : x
2. Step 2: Convert to fraction form
   380,196.72/524,635.56 = 227,204.46/x
3. Step 3: Cross multiply
   380,196.72x = 524,635.56 × 227,204.46
4. Step 4: Simplify right side
   380,196.72x = 119,199,539,106.60
5. Step 5: Solve for x
   x = 119,199,539,106.60/380,196.72
6. Step 6: Final answer
   x = 313,520.69