Finding the Fourth Proportional to 465,997.98, 643,293.72 and 351,323.04

Step by Step Solution

1. Step 1: Write the proportion equation
   465,997.98 : 643,293.72 = 351,323.04 : x
2. Step 2: Convert to fraction form
   465,997.98/643,293.72 = 351,323.04/x
3. Step 3: Cross multiply
   465,997.98x = 643,293.72 × 351,323.04
4. Step 4: Simplify right side
   465,997.98x = 226,003,905,323.31
5. Step 5: Solve for x
   x = 226,003,905,323.31/465,997.98
6. Step 6: Final answer
   x = 484,989.02