Finding the Fourth Proportional to 700,680, 966,942.24 and 382,728

Step by Step Solution

1. Step 1: Write the proportion equation
   700,680 : 966,942.24 = 382,728 : x
2. Step 2: Convert to fraction form
   700,680/966,942.24 = 382,728/x
3. Step 3: Cross multiply
   700,680x = 966,942.24 × 382,728
4. Step 4: Simplify right side
   700,680x = 370,075,869,630.72
5. Step 5: Solve for x
   x = 370,075,869,630.72/700,680
6. Step 6: Final answer
   x = 528,166.74