Finding the Fourth Proportional to 1,082,123.48, 1,493,808.72 and 646,694.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082,123.48 : 1,493,808.72 = 646,694.48 : x
2. Step 2: Convert to fraction form
   1,082,123.48/1,493,808.72 = 646,694.48/x
3. Step 3: Cross multiply
   1,082,123.48x = 1,493,808.72 × 646,694.48
4. Step 4: Simplify right side
   1,082,123.48x = 966,037,853,399.87
5. Step 5: Solve for x
   x = 966,037,853,399.87/1,082,123.48
6. Step 6: Final answer
   x = 892,724.23