Finding the Fourth Proportional to 437,981.31, 655,784.81 and 227,176.38

Step by Step Solution

1. Step 1: Write the proportion equation
   437,981.31 : 655,784.81 = 227,176.38 : x
2. Step 2: Convert to fraction form
   437,981.31/655,784.81 = 227,176.38/x
3. Step 3: Cross multiply
   437,981.31x = 655,784.81 × 227,176.38
4. Step 4: Simplify right side
   437,981.31x = 148,978,818,910.82
5. Step 5: Solve for x
   x = 148,978,818,910.82/437,981.31
6. Step 6: Final answer
   x = 340,148.80