Finding the Fourth Proportional to 1,022,826.27, 1,531,969.48 and 661,836.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022,826.27 : 1,531,969.48 = 661,836.41 : x
2. Step 2: Convert to fraction form
   1,022,826.27/1,531,969.48 = 661,836.41/x
3. Step 3: Cross multiply
   1,022,826.27x = 1,531,969.48 × 661,836.41
4. Step 4: Simplify right side
   1,022,826.27x = 1,013,913,180,872.77
5. Step 5: Solve for x
   x = 1,013,913,180,872.77/1,022,826.27
6. Step 6: Final answer
   x = 991,285.82