Finding the Fourth Proportional to 23,043,456.72, 31,800,379.68 and 12,729,564.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,043,456.72 : 31,800,379.68 = 12,729,564.72 : x
2. Step 2: Convert to fraction form
   23,043,456.72/31,800,379.68 = 12,729,564.72/x
3. Step 3: Cross multiply
   23,043,456.72x = 31,800,379.68 × 12,729,564.72
4. Step 4: Simplify right side
   23,043,456.72x = 404,804,991,257,132.94
5. Step 5: Solve for x
   x = 404,804,991,257,132.94/23,043,456.72
6. Step 6: Final answer
   x = 17,567,025.48