Finding the Fourth Proportional to 1,309,729,029.12, 1,807,414,974.72 and 723,005,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,729,029.12 : 1,807,414,974.72 = 723,005,568 : x
2. Step 2: Convert to fraction form
   1,309,729,029.12/1,807,414,974.72 = 723,005,568/x
3. Step 3: Cross multiply
   1,309,729,029.12x = 1,807,414,974.72 × 723,005,568
4. Step 4: Simplify right side
   1,309,729,029.12x = 1,306,771,090,409,139,200
5. Step 5: Solve for x
   x = 1,306,771,090,409,139,200/1,309,729,029.12
6. Step 6: Final answer
   x = 997,741,564.37