Finding the Fourth Proportional to 443,385.07, 665,342.56 and 162,930.67

Step by Step Solution

1. Step 1: Write the proportion equation
   443,385.07 : 665,342.56 = 162,930.67 : x
2. Step 2: Convert to fraction form
   443,385.07/665,342.56 = 162,930.67/x
3. Step 3: Cross multiply
   443,385.07x = 665,342.56 × 162,930.67
4. Step 4: Simplify right side
   443,385.07x = 108,404,709,080.32
5. Step 5: Solve for x
   x = 108,404,709,080.32/443,385.07
6. Step 6: Final answer
   x = 244,493.37