Finding the Fourth Proportional to 1,204,801.43, 1,662,638.67 and 660,938.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,204,801.43 : 1,662,638.67 = 660,938.27 : x
2. Step 2: Convert to fraction form
   1,204,801.43/1,662,638.67 = 660,938.27/x
3. Step 3: Cross multiply
   1,204,801.43x = 1,662,638.67 × 660,938.27
4. Step 4: Simplify right side
   1,204,801.43x = 1,098,901,517,871.71
5. Step 5: Solve for x
   x = 1,098,901,517,871.71/1,204,801.43
6. Step 6: Final answer
   x = 912,101.77