Finding the Fourth Proportional to 321,562.71, 443,754.05 and 178,323.12

Step by Step Solution

1. Step 1: Write the proportion equation
   321,562.71 : 443,754.05 = 178,323.12 : x
2. Step 2: Convert to fraction form
   321,562.71/443,754.05 = 178,323.12/x
3. Step 3: Cross multiply
   321,562.71x = 443,754.05 × 178,323.12
4. Step 4: Simplify right side
   321,562.71x = 79,131,605,817.02
5. Step 5: Solve for x
   x = 79,131,605,817.02/321,562.71
6. Step 6: Final answer
   x = 246,084.52