Finding the Fourth Proportional to 1,560,608.10, 2,340,912.15 and 1,206,314.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,560,608.10 : 2,340,912.15 = 1,206,314.10 : x
2. Step 2: Convert to fraction form
   1,560,608.10/2,340,912.15 = 1,206,314.10/x
3. Step 3: Cross multiply
   1,560,608.10x = 2,340,912.15 × 1,206,314.10
4. Step 4: Simplify right side
   1,560,608.10x = 2,823,875,333,406.32
5. Step 5: Solve for x
   x = 2,823,875,333,406.32/1,560,608.10
6. Step 6: Final answer
   x = 1,809,471.15