Finding the Fourth Proportional to 896,096.41, 1,236,609.31 and 488,196.98

Step by Step Solution

1. Step 1: Write the proportion equation
   896,096.41 : 1,236,609.31 = 488,196.98 : x
2. Step 2: Convert to fraction form
   896,096.41/1,236,609.31 = 488,196.98/x
3. Step 3: Cross multiply
   896,096.41x = 1,236,609.31 × 488,196.98
4. Step 4: Simplify right side
   896,096.41x = 603,708,930,581.88
5. Step 5: Solve for x
   x = 603,708,930,581.88/896,096.41
6. Step 6: Final answer
   x = 673,709.80