Finding the Fourth Proportional to 902,196.42, 1,245,031.03 and 494,313.72

Step by Step Solution

1. Step 1: Write the proportion equation
   902,196.42 : 1,245,031.03 = 494,313.72 : x
2. Step 2: Convert to fraction form
   902,196.42/1,245,031.03 = 494,313.72/x
3. Step 3: Cross multiply
   902,196.42x = 1,245,031.03 × 494,313.72
4. Step 4: Simplify right side
   902,196.42x = 615,435,913,729.58
5. Step 5: Solve for x
   x = 615,435,913,729.58/902,196.42
6. Step 6: Final answer
   x = 682,152.91