Finding the Fourth Proportional to 1,018,604.27, 1,405,591.61 and 588,912.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,604.27 : 1,405,591.61 = 588,912.09 : x
2. Step 2: Convert to fraction form
   1,018,604.27/1,405,591.61 = 588,912.09/x
3. Step 3: Cross multiply
   1,018,604.27x = 1,405,591.61 × 588,912.09
4. Step 4: Simplify right side
   1,018,604.27x = 827,769,898,370.60
5. Step 5: Solve for x
   x = 827,769,898,370.60/1,018,604.27
6. Step 6: Final answer
   x = 812,651.12