Finding the Fourth Proportional to 12,288,339.54, 18,426,443.49 and 3,766,621.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,288,339.54 : 18,426,443.49 = 3,766,621.14 : x
2. Step 2: Convert to fraction form
   12,288,339.54/18,426,443.49 = 3,766,621.14/x
3. Step 3: Cross multiply
   12,288,339.54x = 18,426,443.49 × 3,766,621.14
4. Step 4: Simplify right side
   12,288,339.54x = 69,405,431,584,449.38
5. Step 5: Solve for x
   x = 69,405,431,584,449.38/12,288,339.54
6. Step 6: Final answer
   x = 5,648,072.42