Finding the Fourth Proportional to 40,078,971.99, 55,309,087.71 and 21,744,257.49

Step by Step Solution

1. Step 1: Write the proportion equation
   40,078,971.99 : 55,309,087.71 = 21,744,257.49 : x
2. Step 2: Convert to fraction form
   40,078,971.99/55,309,087.71 = 21,744,257.49/x
3. Step 3: Cross multiply
   40,078,971.99x = 55,309,087.71 × 21,744,257.49
4. Step 4: Simplify right side
   40,078,971.99x = 1,202,655,044,703,234.50
5. Step 5: Solve for x
   x = 1,202,655,044,703,234.50/40,078,971.99
6. Step 6: Final answer
   x = 30,007,133.04