Finding the Fourth Proportional to 227,667.10, 319,200.50 and 227,667.10

Step by Step Solution

1. Step 1: Write the proportion equation
   227,667.10 : 319,200.50 = 227,667.10 : x
2. Step 2: Convert to fraction form
   227,667.10/319,200.50 = 227,667.10/x
3. Step 3: Cross multiply
   227,667.10x = 319,200.50 × 227,667.10
4. Step 4: Simplify right side
   227,667.10x = 72,671,452,153.55
5. Step 5: Solve for x
   x = 72,671,452,153.55/227,667.10
6. Step 6: Final answer
   x = 319,200.50