Finding the Fourth Proportional to 22,065,942.78, 30,438,320.81 and 13,791,645.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,065,942.78 : 30,438,320.81 = 13,791,645.15 : x
2. Step 2: Convert to fraction form
   22,065,942.78/30,438,320.81 = 13,791,645.15/x
3. Step 3: Cross multiply
   22,065,942.78x = 30,438,320.81 × 13,791,645.15
4. Step 4: Simplify right side
   22,065,942.78x = 419,794,519,504,422.38
5. Step 5: Solve for x
   x = 419,794,519,504,422.38/22,065,942.78
6. Step 6: Final answer
   x = 19,024,544.91