Finding the Fourth Proportional to 1,048,155.10, 1,446,505.31 and 589,414.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048,155.10 : 1,446,505.31 = 589,414.03 : x
2. Step 2: Convert to fraction form
   1,048,155.10/1,446,505.31 = 589,414.03/x
3. Step 3: Cross multiply
   1,048,155.10x = 1,446,505.31 × 589,414.03
4. Step 4: Simplify right side
   1,048,155.10x = 852,590,524,183.50
5. Step 5: Solve for x
   x = 852,590,524,183.50/1,048,155.10
6. Step 6: Final answer
   x = 813,420.19