Finding the Fourth Proportional to 323,080.52, 484,719.59 and 165,420.50

Step by Step Solution

1. Step 1: Write the proportion equation
   323,080.52 : 484,719.59 = 165,420.50 : x
2. Step 2: Convert to fraction form
   323,080.52/484,719.59 = 165,420.50/x
3. Step 3: Cross multiply
   323,080.52x = 484,719.59 × 165,420.50
4. Step 4: Simplify right side
   323,080.52x = 80,182,554,927.55
5. Step 5: Solve for x
   x = 80,182,554,927.55/323,080.52
6. Step 6: Final answer
   x = 248,181.34