Finding the Fourth Proportional to 321,123.84, 443,150.91 and 177,893.16

Step by Step Solution

1. Step 1: Write the proportion equation
   321,123.84 : 443,150.91 = 177,893.16 : x
2. Step 2: Convert to fraction form
   321,123.84/443,150.91 = 177,893.16/x
3. Step 3: Cross multiply
   321,123.84x = 443,150.91 × 177,893.16
4. Step 4: Simplify right side
   321,123.84x = 78,833,515,736.78
5. Step 5: Solve for x
   x = 78,833,515,736.78/321,123.84
6. Step 6: Final answer
   x = 245,492.57