Finding the Fourth Proportional to 8,039.35, 12,054.69 and 2,490.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,039.35 : 12,054.69 = 2,490.31 : x
2. Step 2: Convert to fraction form
   8,039.35/12,054.69 = 2,490.31/x
3. Step 3: Cross multiply
   8,039.35x = 12,054.69 × 2,490.31
4. Step 4: Simplify right side
   8,039.35x = 30,019,915.05
5. Step 5: Solve for x
   x = 30,019,915.05/8,039.35
6. Step 6: Final answer
   x = 3,734.12