Finding the Fourth Proportional to 12,038,152.37, 18,053,435.25 and 3,949,243.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,038,152.37 : 18,053,435.25 = 3,949,243.07 : x
2. Step 2: Convert to fraction form
   12,038,152.37/18,053,435.25 = 3,949,243.07/x
3. Step 3: Cross multiply
   12,038,152.37x = 18,053,435.25 × 3,949,243.07
4. Step 4: Simplify right side
   12,038,152.37x = 71,297,403,960,489.05
5. Step 5: Solve for x
   x = 71,297,403,960,489.05/12,038,152.37
6. Step 6: Final answer
   x = 5,922,620.17