Finding the Fourth Proportional to 321,404.14, 443,541.32 and 183,601.31

Step by Step Solution

1. Step 1: Write the proportion equation
   321,404.14 : 443,541.32 = 183,601.31 : x
2. Step 2: Convert to fraction form
   321,404.14/443,541.32 = 183,601.31/x
3. Step 3: Cross multiply
   321,404.14x = 443,541.32 × 183,601.31
4. Step 4: Simplify right side
   321,404.14x = 81,434,768,499.98
5. Step 5: Solve for x
   x = 81,434,768,499.98/321,404.14
6. Step 6: Final answer
   x = 253,371.87