Finding the Fourth Proportional to 902,196.72, 1,244,973.12 and 494,298

Step by Step Solution

1. Step 1: Write the proportion equation
   902,196.72 : 1,244,973.12 = 494,298 : x
2. Step 2: Convert to fraction form
   902,196.72/1,244,973.12 = 494,298/x
3. Step 3: Cross multiply
   902,196.72x = 1,244,973.12 × 494,298
4. Step 4: Simplify right side
   902,196.72x = 615,387,723,269.76
5. Step 5: Solve for x
   x = 615,387,723,269.76/902,196.72
6. Step 6: Final answer
   x = 682,099.27