Finding the Fourth Proportional to 1,300,537.10, 1,821,996.10 and 1,300,537.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,537.10 : 1,821,996.10 = 1,300,537.10 : x
2. Step 2: Convert to fraction form
   1,300,537.10/1,821,996.10 = 1,300,537.10/x
3. Step 3: Cross multiply
   1,300,537.10x = 1,821,996.10 × 1,300,537.10
4. Step 4: Simplify right side
   1,300,537.10x = 2,369,573,524,105.31
5. Step 5: Solve for x
   x = 2,369,573,524,105.31/1,300,537.10
6. Step 6: Final answer
   x = 1,821,996.10