Finding the Fourth Proportional to 602,665.48, 831,617.82 and 360,941.88

Step by Step Solution

1. Step 1: Write the proportion equation
   602,665.48 : 831,617.82 = 360,941.88 : x
2. Step 2: Convert to fraction form
   602,665.48/831,617.82 = 360,941.88/x
3. Step 3: Cross multiply
   602,665.48x = 831,617.82 × 360,941.88
4. Step 4: Simplify right side
   602,665.48x = 300,165,699,392.30
5. Step 5: Solve for x
   x = 300,165,699,392.30/602,665.48
6. Step 6: Final answer
   x = 498,063.54