Finding the Fourth Proportional to 2,086,011.48, 3,128,990.82 and 666,049.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,011.48 : 3,128,990.82 = 666,049.56 : x
2. Step 2: Convert to fraction form
   2,086,011.48/3,128,990.82 = 666,049.56/x
3. Step 3: Cross multiply
   2,086,011.48x = 3,128,990.82 × 666,049.56
4. Step 4: Simplify right side
   2,086,011.48x = 2,084,062,958,905.04
5. Step 5: Solve for x
   x = 2,084,062,958,905.04/2,086,011.48
6. Step 6: Final answer
   x = 999,065.91