Finding the Fourth Proportional to 321,322.06, 443,323.13 and 185,337.78

Step by Step Solution

1. Step 1: Write the proportion equation
   321,322.06 : 443,323.13 = 185,337.78 : x
2. Step 2: Convert to fraction form
   321,322.06/443,323.13 = 185,337.78/x
3. Step 3: Cross multiply
   321,322.06x = 443,323.13 × 185,337.78
4. Step 4: Simplify right side
   321,322.06x = 82,164,521,593.55
5. Step 5: Solve for x
   x = 82,164,521,593.55/321,322.06
6. Step 6: Final answer
   x = 255,707.69