Finding the Fourth Proportional to 395,667.50, 546,047.93 and 223,525.76

Step by Step Solution

1. Step 1: Write the proportion equation
   395,667.50 : 546,047.93 = 223,525.76 : x
2. Step 2: Convert to fraction form
   395,667.50/546,047.93 = 223,525.76/x
3. Step 3: Cross multiply
   395,667.50x = 546,047.93 × 223,525.76
4. Step 4: Simplify right side
   395,667.50x = 122,055,776,378.25
5. Step 5: Solve for x
   x = 122,055,776,378.25/395,667.50
6. Step 6: Final answer
   x = 308,480.68