Finding the Fourth Proportional to 8,270.58, 12,405.71 and 2,427.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,270.58 : 12,405.71 = 2,427.06 : x
2. Step 2: Convert to fraction form
   8,270.58/12,405.71 = 2,427.06/x
3. Step 3: Cross multiply
   8,270.58x = 12,405.71 × 2,427.06
4. Step 4: Simplify right side
   8,270.58x = 30,109,402.51
5. Step 5: Solve for x
   x = 30,109,402.51/8,270.58
6. Step 6: Final answer
   x = 3,640.54