Finding the Fourth Proportional to 7,131,388.10, 10,697,105.19 and 1,812,604.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,131,388.10 : 10,697,105.19 = 1,812,604.10 : x
2. Step 2: Convert to fraction form
   7,131,388.10/10,697,105.19 = 1,812,604.10/x
3. Step 3: Cross multiply
   7,131,388.10x = 10,697,105.19 × 1,812,604.10
4. Step 4: Simplify right side
   7,131,388.10x = 19,389,616,725,525.28
5. Step 5: Solve for x
   x = 19,389,616,725,525.28/7,131,388.10
6. Step 6: Final answer
   x = 2,718,912.01