Finding the Fourth Proportional to 593,094.72, 818,477.40 and 321,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   593,094.72 : 818,477.40 = 321,168.72 : x
2. Step 2: Convert to fraction form
   593,094.72/818,477.40 = 321,168.72/x
3. Step 3: Cross multiply
   593,094.72x = 818,477.40 × 321,168.72
4. Step 4: Simplify right side
   593,094.72x = 262,869,338,906.93
5. Step 5: Solve for x
   x = 262,869,338,906.93/593,094.72
6. Step 6: Final answer
   x = 443,216.45