Finding the Fourth Proportional to 478,472.27, 717,819.57 and 162,931.91

Step by Step Solution

1. Step 1: Write the proportion equation
   478,472.27 : 717,819.57 = 162,931.91 : x
2. Step 2: Convert to fraction form
   478,472.27/717,819.57 = 162,931.91/x
3. Step 3: Cross multiply
   478,472.27x = 717,819.57 × 162,931.91
4. Step 4: Simplify right side
   478,472.27x = 116,955,709,986.38
5. Step 5: Solve for x
   x = 116,955,709,986.38/478,472.27
6. Step 6: Final answer
   x = 244,435.71