Finding the Fourth Proportional to 40,073,912.72, 55,302,104.78 and 21,739,198.22

Step by Step Solution

1. Step 1: Write the proportion equation
   40,073,912.72 : 55,302,104.78 = 21,739,198.22 : x
2. Step 2: Convert to fraction form
   40,073,912.72/55,302,104.78 = 21,739,198.22/x
3. Step 3: Cross multiply
   40,073,912.72x = 55,302,104.78 × 21,739,198.22
4. Step 4: Simplify right side
   40,073,912.72x = 1,202,223,417,795,629.50
5. Step 5: Solve for x
   x = 1,202,223,417,795,629.50/40,073,912.72
6. Step 6: Final answer
   x = 30,000,150.63