Finding the Fourth Proportional to 25,231,786.38, 34,819,880.46 and 13,629,354.99

Step by Step Solution

1. Step 1: Write the proportion equation
   25,231,786.38 : 34,819,880.46 = 13,629,354.99 : x
2. Step 2: Convert to fraction form
   25,231,786.38/34,819,880.46 = 13,629,354.99/x
3. Step 3: Cross multiply
   25,231,786.38x = 34,819,880.46 × 13,629,354.99
4. Step 4: Simplify right side
   25,231,786.38x = 474,572,511,317,019.81
5. Step 5: Solve for x
   x = 474,572,511,317,019.81/25,231,786.38
6. Step 6: Final answer
   x = 18,808,518.12