Finding the Fourth Proportional to 321,141.32, 443,200.02 and 177,914.60

Step by Step Solution

1. Step 1: Write the proportion equation
   321,141.32 : 443,200.02 = 177,914.60 : x
2. Step 2: Convert to fraction form
   321,141.32/443,200.02 = 177,914.60/x
3. Step 3: Cross multiply
   321,141.32x = 443,200.02 × 177,914.60
4. Step 4: Simplify right side
   321,141.32x = 78,851,754,278.29
5. Step 5: Solve for x
   x = 78,851,754,278.29/321,141.32
6. Step 6: Final answer
   x = 245,536.00