Finding the Fourth Proportional to 593,050.78, 818,410.58 and 321,118.82

Step by Step Solution

1. Step 1: Write the proportion equation
   593,050.78 : 818,410.58 = 321,118.82 : x
2. Step 2: Convert to fraction form
   593,050.78/818,410.58 = 321,118.82/x
3. Step 3: Cross multiply
   593,050.78x = 818,410.58 × 321,118.82
4. Step 4: Simplify right side
   593,050.78x = 262,807,039,725.12
5. Step 5: Solve for x
   x = 262,807,039,725.12/593,050.78
6. Step 6: Final answer
   x = 443,144.24