Finding the Fourth Proportional to 321,152.84, 443,238.09 and 185,160.17

Step by Step Solution

1. Step 1: Write the proportion equation
   321,152.84 : 443,238.09 = 185,160.17 : x
2. Step 2: Convert to fraction form
   321,152.84/443,238.09 = 185,160.17/x
3. Step 3: Cross multiply
   321,152.84x = 443,238.09 × 185,160.17
4. Step 4: Simplify right side
   321,152.84x = 82,070,040,094.88
5. Step 5: Solve for x
   x = 82,070,040,094.88/321,152.84
6. Step 6: Final answer
   x = 255,548.23