Finding the Fourth Proportional to 23,320,628.69, 32,182,579.40 and 12,866,644.46

Step by Step Solution

1. Step 1: Write the proportion equation
   23,320,628.69 : 32,182,579.40 = 12,866,644.46 : x
2. Step 2: Convert to fraction form
   23,320,628.69/32,182,579.40 = 12,866,644.46/x
3. Step 3: Cross multiply
   23,320,628.69x = 32,182,579.40 × 12,866,644.46
4. Step 4: Simplify right side
   23,320,628.69x = 414,081,806,961,643.38
5. Step 5: Solve for x
   x = 414,081,806,961,643.38/23,320,628.69
6. Step 6: Final answer
   x = 17,756,031.05