Finding the Fourth Proportional to 893,496.72, 1,233,035.04 and 485,598.56

Step by Step Solution

1. Step 1: Write the proportion equation
   893,496.72 : 1,233,035.04 = 485,598.56 : x
2. Step 2: Convert to fraction form
   893,496.72/1,233,035.04 = 485,598.56/x
3. Step 3: Cross multiply
   893,496.72x = 1,233,035.04 × 485,598.56
4. Step 4: Simplify right side
   893,496.72x = 598,760,039,853.54
5. Step 5: Solve for x
   x = 598,760,039,853.54/893,496.72
6. Step 6: Final answer
   x = 670,131.21