Finding the Fourth Proportional to 221,273.52, 331,912.56 and 55,061.52

Step by Step Solution

1. Step 1: Write the proportion equation
   221,273.52 : 331,912.56 = 55,061.52 : x
2. Step 2: Convert to fraction form
   221,273.52/331,912.56 = 55,061.52/x
3. Step 3: Cross multiply
   221,273.52x = 331,912.56 × 55,061.52
4. Step 4: Simplify right side
   221,273.52x = 18,275,610,060.69
5. Step 5: Solve for x
   x = 18,275,610,060.69/221,273.52
6. Step 6: Final answer
   x = 82,592.85