Finding the Fourth Proportional to 676,499.27, 1,015,082.34 and 316,694.50

Step by Step Solution

1. Step 1: Write the proportion equation
   676,499.27 : 1,015,082.34 = 316,694.50 : x
2. Step 2: Convert to fraction form
   676,499.27/1,015,082.34 = 316,694.50/x
3. Step 3: Cross multiply
   676,499.27x = 1,015,082.34 × 316,694.50
4. Step 4: Simplify right side
   676,499.27x = 321,470,996,581.59
5. Step 5: Solve for x
   x = 321,470,996,581.59/676,499.27
6. Step 6: Final answer
   x = 475,197.85