Finding the Fourth Proportional to 23,320,647.81, 32,182,605.77 and 12,866,663.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,320,647.81 : 32,182,605.77 = 12,866,663.61 : x
2. Step 2: Convert to fraction form
   23,320,647.81/32,182,605.77 = 12,866,663.61/x
3. Step 3: Cross multiply
   23,320,647.81x = 32,182,605.77 × 12,866,663.61
4. Step 4: Simplify right side
   23,320,647.81x = 414,082,762,471,501.69
5. Step 5: Solve for x
   x = 414,082,762,471,501.69/23,320,647.81
6. Step 6: Final answer
   x = 17,756,057.46