Finding the Fourth Proportional to 13,614,196.38, 18,787,113.80 and 7,419,116.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,614,196.38 : 18,787,113.80 = 7,419,116.68 : x
2. Step 2: Convert to fraction form
   13,614,196.38/18,787,113.80 = 7,419,116.68/x
3. Step 3: Cross multiply
   13,614,196.38x = 18,787,113.80 × 7,419,116.68
4. Step 4: Simplify right side
   13,614,196.38x = 139,383,789,355,517.39
5. Step 5: Solve for x
   x = 139,383,789,355,517.39/13,614,196.38
6. Step 6: Final answer
   x = 10,238,120.96