Finding the Fourth Proportional to 321,151.25, 443,156.42 and 177,884.53

Step by Step Solution

1. Step 1: Write the proportion equation
   321,151.25 : 443,156.42 = 177,884.53 : x
2. Step 2: Convert to fraction form
   321,151.25/443,156.42 = 177,884.53/x
3. Step 3: Cross multiply
   321,151.25x = 443,156.42 × 177,884.53
4. Step 4: Simplify right side
   321,151.25x = 78,830,670,825.00
5. Step 5: Solve for x
   x = 78,830,670,825.00/321,151.25
6. Step 6: Final answer
   x = 245,462.75