Finding the Fourth Proportional to 8,374.09, 12,561.35 and 3,440.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,374.09 : 12,561.35 = 3,440.27 : x
2. Step 2: Convert to fraction form
   8,374.09/12,561.35 = 3,440.27/x
3. Step 3: Cross multiply
   8,374.09x = 12,561.35 × 3,440.27
4. Step 4: Simplify right side
   8,374.09x = 43,214,435.56
5. Step 5: Solve for x
   x = 43,214,435.56/8,374.09
6. Step 6: Final answer
   x = 5,160.49