Finding the Fourth Proportional to 562,613.82, 776,387.76 and 320,974.62

Step by Step Solution

1. Step 1: Write the proportion equation
   562,613.82 : 776,387.76 = 320,974.62 : x
2. Step 2: Convert to fraction form
   562,613.82/776,387.76 = 320,974.62/x
3. Step 3: Cross multiply
   562,613.82x = 776,387.76 × 320,974.62
4. Step 4: Simplify right side
   562,613.82x = 249,200,766,238.65
5. Step 5: Solve for x
   x = 249,200,766,238.65/562,613.82
6. Step 6: Final answer
   x = 442,933.96