Finding the Fourth Proportional to 922,085.82, 1,382,796 and 389,647.98

Step by Step Solution

1. Step 1: Write the proportion equation
   922,085.82 : 1,382,796 = 389,647.98 : x
2. Step 2: Convert to fraction form
   922,085.82/1,382,796 = 389,647.98/x
3. Step 3: Cross multiply
   922,085.82x = 1,382,796 × 389,647.98
4. Step 4: Simplify right side
   922,085.82x = 538,803,668,152.08
5. Step 5: Solve for x
   x = 538,803,668,152.08/922,085.82
6. Step 6: Final answer
   x = 584,331.37