Finding the Fourth Proportional to 2,632,604.25, 3,945,921.12 and 1,209,720.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632,604.25 : 3,945,921.12 = 1,209,720.18 : x
2. Step 2: Convert to fraction form
   2,632,604.25/3,945,921.12 = 1,209,720.18/x
3. Step 3: Cross multiply
   2,632,604.25x = 3,945,921.12 × 1,209,720.18
4. Step 4: Simplify right side
   2,632,604.25x = 4,773,460,407,552.20
5. Step 5: Solve for x
   x = 4,773,460,407,552.20/2,632,604.25
6. Step 6: Final answer
   x = 1,813,208.50