Finding the Fourth Proportional to 321,042.27, 443,038.14 and 177,802.17

Step by Step Solution

1. Step 1: Write the proportion equation
   321,042.27 : 443,038.14 = 177,802.17 : x
2. Step 2: Convert to fraction form
   321,042.27/443,038.14 = 177,802.17/x
3. Step 3: Cross multiply
   321,042.27x = 443,038.14 × 177,802.17
4. Step 4: Simplify right side
   321,042.27x = 78,773,142,684.76
5. Step 5: Solve for x
   x = 78,773,142,684.76/321,042.27
6. Step 6: Final answer
   x = 245,366.89