Finding the Fourth Proportional to 456,870.67, 684,556.93 and 323,511.52

Step by Step Solution

1. Step 1: Write the proportion equation
   456,870.67 : 684,556.93 = 323,511.52 : x
2. Step 2: Convert to fraction form
   456,870.67/684,556.93 = 323,511.52/x
3. Step 3: Cross multiply
   456,870.67x = 684,556.93 × 323,511.52
4. Step 4: Simplify right side
   456,870.67x = 221,462,052,950.83
5. Step 5: Solve for x
   x = 221,462,052,950.83/456,870.67
6. Step 6: Final answer
   x = 484,736.86