Finding the Fourth Proportional to 347,969.72, 480,054.70 and 227,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   347,969.72 : 480,054.70 = 227,067.50 : x
2. Step 2: Convert to fraction form
   347,969.72/480,054.70 = 227,067.50/x
3. Step 3: Cross multiply
   347,969.72x = 480,054.70 × 227,067.50
4. Step 4: Simplify right side
   347,969.72x = 109,004,822,076.22
5. Step 5: Solve for x
   x = 109,004,822,076.22/347,969.72
6. Step 6: Final answer
   x = 313,259.50