Finding the Fourth Proportional to 405,601.27, 559,667.57 and 233,485.98

Step by Step Solution

1. Step 1: Write the proportion equation
   405,601.27 : 559,667.57 = 233,485.98 : x
2. Step 2: Convert to fraction form
   405,601.27/559,667.57 = 233,485.98/x
3. Step 3: Cross multiply
   405,601.27x = 559,667.57 × 233,485.98
4. Step 4: Simplify right side
   405,601.27x = 130,674,531,055.67
5. Step 5: Solve for x
   x = 130,674,531,055.67/405,601.27
6. Step 6: Final answer
   x = 322,174.86