Finding the Fourth Proportional to 443,479.32, 611,820.12 and 327,470.76

Step by Step Solution

1. Step 1: Write the proportion equation
   443,479.32 : 611,820.12 = 327,470.76 : x
2. Step 2: Convert to fraction form
   443,479.32/611,820.12 = 327,470.76/x
3. Step 3: Cross multiply
   443,479.32x = 611,820.12 × 327,470.76
4. Step 4: Simplify right side
   443,479.32x = 200,353,199,679.69
5. Step 5: Solve for x
   x = 200,353,199,679.69/443,479.32
6. Step 6: Final answer
   x = 451,775.74