Finding the Fourth Proportional to 1,146,131.69, 1,581,597.37 and 687,016.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,131.69 : 1,581,597.37 = 687,016.49 : x
2. Step 2: Convert to fraction form
   1,146,131.69/1,581,597.37 = 687,016.49/x
3. Step 3: Cross multiply
   1,146,131.69x = 1,581,597.37 × 687,016.49
4. Step 4: Simplify right side
   1,146,131.69x = 1,086,583,469,096.69
5. Step 5: Solve for x
   x = 1,086,583,469,096.69/1,146,131.69
6. Step 6: Final answer
   x = 948,044.18