Finding the Fourth Proportional to 321,648.06, 443,894.46 and 185,706.93

Step by Step Solution

1. Step 1: Write the proportion equation
   321,648.06 : 443,894.46 = 185,706.93 : x
2. Step 2: Convert to fraction form
   321,648.06/443,894.46 = 185,706.93/x
3. Step 3: Cross multiply
   321,648.06x = 443,894.46 × 185,706.93
4. Step 4: Simplify right side
   321,648.06x = 82,434,277,410.61
5. Step 5: Solve for x
   x = 82,434,277,410.61/321,648.06
6. Step 6: Final answer
   x = 256,287.19