Finding the Fourth Proportional to 982,991.27, 1,355,829.17 and 656,139.48

Step by Step Solution

1. Step 1: Write the proportion equation
   982,991.27 : 1,355,829.17 = 656,139.48 : x
2. Step 2: Convert to fraction form
   982,991.27/1,355,829.17 = 656,139.48/x
3. Step 3: Cross multiply
   982,991.27x = 1,355,829.17 × 656,139.48
4. Step 4: Simplify right side
   982,991.27x = 889,613,050,836.82
5. Step 5: Solve for x
   x = 889,613,050,836.82/982,991.27
6. Step 6: Final answer
   x = 905,006.05