Finding the Fourth Proportional to 601,966, 830,707.50 and 330,049

Step by Step Solution

1. Step 1: Write the proportion equation
   601,966 : 830,707.50 = 330,049 : x
2. Step 2: Convert to fraction form
   601,966/830,707.50 = 330,049/x
3. Step 3: Cross multiply
   601,966x = 830,707.50 × 330,049
4. Step 4: Simplify right side
   601,966x = 274,174,179,667.50
5. Step 5: Solve for x
   x = 274,174,179,667.50/601,966
6. Step 6: Final answer
   x = 455,464.56